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Mathematics Questions and Answers May 13, 2023

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Of 250 administrative and 350 staff employees at Money Bank, 100 of the administrators and 280 of the staff are on flex time. If an employee is selected at random from this group, what is the probability that the employee is not on flex time

Testing Ho: #5 S velsus HA: #3} 8, given a = .l, n = 25, I = 8.112, and s = .16, we should reject the H0. (Assume the sample is selected from a normally distributed population.) True False
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Run a mean average Print out the new times and magnitudes to a new . dat file ( i.e . Via printf ) Shouldn't print any magnitudes until the history array is full
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Problem 2. [10 pts] Let ABC be a triangle and D a point on BC such that BAD = CAD. Prove that AB = AC - AD L BC
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Prepare a trial balance from the general ledger, determine the missing amount for salaries expense, and determine the company's profit for its first month
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Let A = {x : 1 x 5}, B = {x : 3 x 8}, and the universal set, U = {x : 1 x 9}. Which of the following is the set A \ B? Group of answer choices {2} {1, 2} {1, 2, 3} {1, 2, 3, 6, 7, 8}

Which of the following can be answered by calculating? (Check all that apply.) Group of answer choices How many sets of five letters can be made from the first eight letters of the alphabet? Suppose you have eight shirts and you will need to wear a different each day for five days. How many choices do you have? How many groups of five people can

Consider a home mortgage of $150 , 000 at a fixed APR of 4.5 25 years. a. Calculate the monthly payment. b. Determine the total amount paid over the term of the loan. c. Of the total amountpaid, what percentage is paid toward the principal and what percentage is paid for interest.

4. (4.5 pt) For steady, incompressible flow, find the missing velocity component: a) V = b ) v = C) v =
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( D ) Do You think the club members should suspect discrimination if none of the S tickets FO to WOMEN ?"
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1) Speed of an object as a function of time is given by v=5e -3t sint 2 Find dv/dt, plot v(t) and dv/dt and explain the behavior you observe. 2) The temperature of an object as a function of time is given by T 4 +(5e -5t +10)T=0 Find dT/dt and explain if the object is cooled or heated.

Compute the probability that a 5-card poker hand is dealt to you that contains all hearts.

A vine maple grows fast when it is planted under the cover of cedar trees. One month after it is planted it has grown 9.33 inches, and after seven weeks it had grown 13.33 inches. Write equation that models the growth, in inches, of the vine maple as a function of time, in weeks. 1) what is the slope of the function? m = m= 2) What is the initial

Subject material is related to Number Theory. Consider the number F5 2 22" + 1 = 4294967297. (8.) Explain why a = 2 or a = 4 are not RabinMiller witness of F5. (Hint: You don't need a. calculator.) (b) Given 3231 E 10324303 (mod F5). Explain why a = 3 is a RabinMiller witness of F5
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1) France and Germany each produce both wine and beer, using a single homogeneous input labour. Their production possibilities are: 0 France has 100 units of labour and can produce a maximum of 200 bottles of wine or 400 bottles of beer ' Germany has 50 units of labour and can produce a maximum of 250 bottles of wine or 200 bottles of beer a)
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need help with this, explanation much appreciated 7. [6 Points] Using a bijection to count palindromes (similar to additional exercise 10.2.2). If IL' is a string, then LL'R is the reverse of this string. For example, if :r = 1011, then LL'R = 1101. A string is a palindrome, if it reads the same backward and forward (i.e., if a: = x3). Let B,1L be
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2. Devon has lexicographic preferences. When comparing any two bundles, Devon looks rst at how much Beer is in the bundle and strictly prefers the bundle with more Beer, regardless of the quantity of Chips in each bundle. If two bundles have the same amount of Beer then Devon looks at the quantity of Chips and prefers the bundle with more Chips.
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The average time it takes college freshmen to complete the Mason Basic Reasoning Test is 38.3 minutes. The standard deviation is 3.2 minutes. Assume the variable is normally distributed. Find the probability that it will take a student less than 30 minutes or more than 45 minutes to complete the test.

A basket is filled with 8 white eggs and 10 brown eggs. Half of the white eggs are cracked. An egg is randomly selected from the basket. What is the probability that it is a cracked, white egg? 7/17

Exercise 4. Use matrix operations to solve the following system of equations. 521 + 202 = 3 (1) 621 - 432 = 7 (2) Exercise 5. Prove that cov(@, y) is a linear operator in both a and y. If a and y are random variable and a and b are two positive constants (non-random numbers), is corr(ax, by) = corr(@, y)? If it is, prove it. If it isn't, show what
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Can you construct a Euler diagram to determine if an argument based on the statement? Some Democrats vote for independents . Some people that vote for independents are not politically active. ... some are not politically active The three dots are in front of the the argument

At CS Bank, homeowners can borrow money against the equity they have in their homes. To determine equity, the bank determines the homes value and subtracts the mortgage balance. The maximum loan is 90% of the equity. The bank outsources the home appraisals to three companies: Allen & Associates, Heist Appraisal and Appraisal International. The

What, if any, is the accumulated value of the difference between the allocated cash available the total cash payments required for the expansion
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the amol year. Organize your results in a table. 47. If an investment company pays 6% compounded semiannu- ally, how much should you deposit now to have $10,000 (A) 5 years from now? (B) 10 years from now? 48. If an investment company pays 8% compounded quarterly, how much should you deposit now to have $6,000 (A) 3 years from now? (B) 6 years
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A 11-year $8000.00 promissory note, with interest at 8.4% compounded monthly, is discounted at 6.5% compounded semi-annually yielding proceeds of $14 631.15. How many months before the due date was the date of discount?

#32Suppose sales for the past 6 months have been 85, 98, 90, 104, 83, and 94 Using a smoothing coefficient of 0.6, what is the exponentially smoothed value for the 3rd period? (please round your answer to 1 decimal place)

Please work this problem showing all steps so that I can understand it. Assume there is a three story aviary at a local zoo which houses 400 small birds. The aviary has three levels, and the birds spend their day ying around from one favorite perch to the next. Thus at any given time the birds seem to be randomly distributed throughout the three
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How do I go about doing this problem? Find the following elements in Z5: 1, %, %,\\/1. Find them in 25. In Z7. In 210- For which values of n does % (respectively, %, Vl) exist in Z\"? Formulate as many conjectures as you can. Prove as many of these conjectures as you can
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Two marbles are drawn randomly one after the other without replacement from a jar that contains 8 red marbles, 3 white marbles, and 6 yellow marbles. Find the probability of the following events. (a) A red marble is drawn first followed by a white marble. The probability is : (b) A white marble is drawn first followed by a white marble. The

What is the present value of the following cash flow stream? r =8% first flow in the stream PV = ? 700 700 700 700 700 0 1 2 ... ...13 14 15 16 17 A. $994 B. $1,028 C. $1,044 D. $1,110
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Can Roger remain as the engagement partner for Floyd Bank? If not, can another partner in his office take on the engagement? Why or why not? Roger cannot remain as the engagement partner for Floyd Bank. N/A
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4 How would and increase or decrease in the capital costs for machinery [real estate affect the break even point? How waul
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Task 2 In Task 1 you determined how much of your own money you're willing to spend to get your business started. This is your limitwhen making your product you can't exceed this amount. a. Write an inequality that represents the fact that while making your product you can't exceed this spending limit. b. Solve this inequality and graph the
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2. Discuss the continuity of the function defined by graph below. f(x) S -S S -2
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Your friend wants to write the equation of a quadratic functionthat has zeros at 3 1 and 3 5 . They want to use the binomials ( 3 x + 1 ) and ( 3 x 5 ) . You insist that they must use the binomials ( x + 3 1 ) and ( x 3 5 ) Who is correct? Explain.

In an editorial, the Poughkeepsie Journal printed this statement: "The median price the price exactly in between the highest and lowest-Does this statement correctly describe the median Why or Why not (A, B, C, or D) a) No. It describes the mode, not the median. b) No. It describes the mean, not the median. c) No. It describes the midrange, not

3 Recall that two random variables X and Y are independent if pr(X
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how to solve these questions H (X'S, 70' W) , M (x'S | 50'E) P ( 0 ' , 70 ' W ) Q ( X'S , 50 5 ) . W CI are five points on the surface of the garth Given that distance HM measured along the common parallel of latitude do equal to the Shortest distance of PW measured along the Equator Find the value of x 3) An arroplane took off from M and flew due
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10. List all the bands which play eitlrer Rock St Roll or jazz. Save the lQuery. 11. How many bands cost more than $550? Save the query 12. "What is the average number of members in the jazz bands? Save the Query. 13. Create and print a report for your file. Include in your report the band name, the price and the notes kept on each band, grouped
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Problema 5. [10] In the picture below, M is the midpoint of BC and DE L BC. Prove that ZBAD = ZCAD. E A B M C D
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The statement, "If a number ends with a 2, then the number is divisible by 2" is the __________ of the statement "If a number is not divisible by 2, then the number does not end with a 2." Group of answer choices converse contrapositive inverse negation

A privately owned forest that had 5,000,000 acres of old growth is being clear cut at a rate of 3% per year. a. Create an exponential function of the form Q=Q 0 x (1 r)^t,r>0 for growth and r <0 for decay) to model the situation described.

Since 1857 MATH 220 - Elementary Statistics 1st quiz (Due: on or before 11:59 p.m. 02- September, Wednesday). You write down your name and answers on a clean paper. When you finish, you take photos of your answers and email the photos to me at chanc@uiu.edu on or before the due day Question 1: In how ways can 5 people be seated at a 3- seat if

How should I prove this? The set of all finite subsets of a countable set is countable
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1. As a buyer trainee for the Quilted Camel, you must record the retail price for sweaters costing $49.77 each. You decide to employ a 37% MU. However, your buyer says that this type of sweater is likely to be fashionable only for a short time. She suggests adding an additional markup of $31.63. The new retail price for each sweater would be $
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Greg wants to save money to remodel his house. He deposits$850at the end of each year in an ordinary annuity that earns4% interest, compounded annually. (a) Total value of the annuity at the end of the1st year (b) Total value of the annuity at the end of the2nd year (c) Total value of the annuity at the end of the3rd year

please provide full explanation to support answers Johnson Filtration, Inc., provides maintenance service for water filtration systems throughout southern Florida. Customers contact Johnson with requests for maintenance service on their water filtration systems. To estimate the service time and the service cost, Johnson's managers want to predict

The Westchester Chamber of Commerce periodically sponsors public service seminars and programs. Currently, promotional plans are under way for this year's program. Advertising alternatives include television, radio, and newspaper. Audience estimates, costs, and maximum media usage limitations are as shown. Constraint Television Radio Newspaper

When a medic at the scene of a serious accident inspects each victim, she administers the appropriate medical assistance to all victims, unless she is certain the victim is dead. Describe the four possible outcomes that can result depending on the truth of the null hypothesis and the decision reached. 1. Type I error would include; that the victim

The table below refers to a survey in which senior high school students inDayton, Ohio, were randomly sampled. Itcross-tabulates whether a student had ever smoked cigarettes and whether a student had ever used marijuana. Marijuana Cigarettes Yes No Yes 914 581 No 46 735 At the5% significancelevel, do the data provide sufficient evidence to

5.1.1.: an employee at Foconino community College {EC} is evaluated based on goal setting and accomplishments toward goals, job effectiveness, competencies, I000 core values. Suppose employee, goal 1 has a weight of 20%, goal 2 has a weight of 20%, goal .1 has a weight of 10%, effectiveness has a weight of 25%, competency '1 has a goal of 4%,
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c) d) Suppose the actual production levels for a given period were 20 necklaces and 250 kg of fish. What can you infer from this information? Suppose a politician running for election states That if elected he promises to call on industry to increase its output of sh and necklaces to 150 kg of sh and 35 necklaces in order to reduce unemployment.
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What is the accumulated value after 11.25 years of monthly deposits of $415.00 earning interest at 5.56% compounded semi-annually if the deposits are made at the end of each month?

4. (10 points) You are standing in line at Subway behind 15 other customers. Three workers behind the counter are processing orders in a \"bucket brigade\" type of fashion (think linked line). Worker 1 takes the order and prepares the bread/cheeselmeat, Worker 2 dresses the sandwich, and Worker 3 enters the order into the register and takes
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A physician's order reads "ampicillin 0.5 grams". The unit dose packet of ampicillin reads "250 milligrams per capsule". How many capsules should you give the patient?

Let Z - represent negative Integers and Z represent the set of all integers. Suppose f: Z -> Z - has the rule f(x) = -x 2 - 2 . Determine whether f is injective, surjective and/or bijective.

You overhear someone complaining that they paid $896 in taxes for their bonus. If you know the tax rate is 28%, how much was their bonus?

1. (25 points) An object's motion is restricted to one dimension along the + distance axis. In case A, the object's location is described by the position graph labeled \"A" below. In case B, the object moves as described by the velocity graph labeled \"B\" below. In case C, the object moves as described by the acceleration graph labeled \"C\"
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9. Graph all the possible numbers that your player could pick. Compare this graph to your answer in question 8
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You are making Cheese-Filled Danish.A recipe for cheese filling made with baker's cheesemakes41/2poundsof filling.The recipe callsfor21/2poundsof cheese,1/4fluid ounce of vanilla,and other ingredients.Each Danish is tocontain13/4ouncesof the cheese filling.If you are making25dozen Danish,how many fluid ounces of vanilla should you use?

10. List all the bands whim play either Rock :8: RoLl or jazz. Save the Query. 11. How many bands cost more than $650? Save the query 12. What is the average number of members in the jazz bands? Save the Query. 13. Create and print a report for your file. Include in your report the band name, the price and the notes kept on each band, grouped by
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A student is taking a standardized test consisting of several multiple-choice questions. One point is awarded for each correct answer. Questions left blank neither receive nor lose points. There are seven options for each question and the student is penalized .5 point for each wrong answer. Is it in the student's best interest to guess? explain.

An investment for $7000 was made 3 years ago. The following table was produced by tracking the value of this investment at the end of each year. \f
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Your friend factors a binomial 2 x 3 1 0 x to give 2 x ( x 2 5 ) . Why isn't the factor x 2 5 factored further?

7. Greg washes cars on Saturdays at his dad's car dealership. His dad pays him $50 plus $5 for each car that he washes. Greg washed 11 cars last Saturday. Use function notation to write an equation that gives the total amount Greg earns as a function of the number of cars he washes. Use the equation to find how much he earned last Saturday. (SHOW
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. Your client ponders whether to switch the T096 that is invested in your fund to the passive portfolio. a. Explain to your client the disadvantage of the switch b. Show him the maximum fee you could charge [as a percentage of the investment in your fund, deducted at the end of the year) that would leave him at least as well off investing in your
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Sketch the graph of a function that satisfies f' (2) = f' (2) = 0; f' (x) < 0 for |x| < 2; f' (x) > 0 if 2 < x < 4 f'' (x) < 0 for x (4, 0); f' (x) = 0 for x > 4; f has an inflection point at (0, 2)

The revenue function for a bicycle shop is given by R(x)=xp(x) dollars where x is the number of units sold and p(x)=3000.25x is the unit price. Find the maximum revenue.

Problem 5 (P.2.17). Exercise 17 from P.2 asks the following: Write a hy- pothesis / and a conclusion C for the conditional statement "All squares are rectangles." (a) H="shape S is a square" and (="shape S is a rectangle." (b) H="shape S is a rectangle" and (="shape S is a square." (c) H="shape S is a square" and (="shape S is a square." (d)
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5.) A security system timer controls lights and other electrical component parts. The MTBF for the timeis advertised to be 10 months. When should the operatorand/or the maintenance associateconsider replacing the timer ? What is the Availability if the MTTR is 15 hours ? Is the Availability good enough ?

Which of the following is true about ? (Check all that apply.) Group of answer choices It is rational. It is irrational. As the Fibonacci Sequence progresses, the ratio between its numbers gets closer and closer to . The ratio between Fibonacci numbers is equal to .

Hello how is the best way to find the LCD of a fraction

(4 pts) Consider all bit strings of length five. a) How many possible values are there without restriction? b) How many begin with 01? c) How many begin with 01 and end with 10? d) How many begin with 01 or end with 10?

A researcher is interested in estimating the average salary of police officers in a large city. She wants to be 99% confident that her estimate is correct. If the standard deviation is $1050, how large a sample is needed to get the desired information and to be accurate within $200?

1)How many years will it take for a $4000 to grow into $5600 if money can earn 6% p.a. compounded quarterly? 2)How many months will it take for $6800 to grow by $2000 if money earns 6% p.a. compounded semi-annually? 3)Find the proceeds of a 5 year non-interest bearing note for $6500 discounted 2.5 years before maturity if money earns 6% p.a.

#7 In a sample of 75 new residents who received a coupon for a two month free membership to a country club, there were 15 people who actually took advantage of the free two month membership. When testing the hypothesis (using the 5% level of significance) that at least 25% of the people that receive the coupon actually use it, the pvalue is

Solve the engineering problem involving geometric progression. On commencing employment, a mans starting salary is 100000 per annum with annual increments of 350. What will be his salary in the 9 year? If the man is invested half of his 9th year salary at compound interest of 8% per annum, calculate the value after 10 years

Please Help! thank you so much 1. Preparing an inoculum a. You made a 10 ml overnight culture of yourfavorite pathogen and it grew very well. After using a spectrophotometer, you find that the culture density is 9x109 cells/mL. But, for your experiment, you need a 10 mL inoculum of 4.5x103 cells/mL. Use the C1V1=02V2 equation to see how many mL of
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please help me answer this one im so confused of this topic 1. A writer wrote 890 words on the first day, 760 words on the second day and 630 words on the third day and so on. How many words did the writer write in a week? 2 , Doning started a fruit-salad business this year. In the first month, she sold 400400400 salads. Monthly number of salads
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(a) Formulate the problem as an integer programming problem. (Hint: Use List to denote the inventory of airplanes at the end of season if, yt to denote the number of airplanes produced in season t and Z: to denote the binary decision that whether the production facilities are set up or not in season t.) (b) Solve the optimization problem you
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Math 1021. Week 3. (Ch. 7.51 1. Find the maturity vows of a $473 note issued on October 4 at 8.5% for 190 days
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1] You plan to make a survey of 200 people. The plan is to talk to every 10m person coming out of the school library. [5 there a problem with your plan
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Please give solution and explain why. Thank you! An inspector inspects large truckloads of potatoes to determine the proportion p in the shipment with major defects prior to using the potatoes to make potato chips. Unless there is clear evidence that this proportion, p , is less than 0.10, he will reject the shipment. He selects an SRS of 200

A study found that the average time it took a person to find a new job was 3.5 months. If a sample of 30 job seekers was surveyed, find the 90% confidence interval of the mean. Assume the standard deviation of the sample is 0.5 month.

Write the name of the phase onwhich experienced math students or mathematicians usually spend the most time. (QW Core 1.3 OCE) Quantway Core version 2.7

4. Suppose n is an arbitrary integer. (a) Show that n(n + 1) is divisible by 2. (b) Show that n(n + 1)(n + 2) is divisible by 3
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Need some help with the following problem: Define a grammar by setting > = {o} and let F consist of the following instruction formulas. 1. o- NV. 2. N - n, for some n E {he, she, Jose, Sal, Anna}. 3. V - v, for some ve {runs, jumps, skips, falls, swims}. 4. O-0PO. 5. - p, for some p E {and, while until}. 6. g - either o or o. Give derivations for
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Chapter 12 Case Study: Barry's Peer Becomes His Boss As Barry looked out the window of his ofce in Hobart. the gloomy lchtober skies obscured his usual view of Mt Wellington. 'That gures.' Barry thought to himself his mood was just as gloomy. Five months ago. last May. Eany's company. CTM. a relatively small but growing technology company.
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USING PROBLEM SOLVING 1.Suppose your grades on three math exams are 80, 93, and 91. What grade doyou need on your next exam to have at least a 90 average on the fourexams? 2.In the Computer Programming department there were originally 81groups of 26students.The students were regrouped so that each group had 18 students, how many students will be

Scenario: A flamingo's leg length is proportional to its body length. A flamingo with a body length of 1.2 feet has a leg length of 2.5 feet. A. Determine to the nearest thousandth the leg length of a flamingo whose body length is 1.4 feet B. Convert the leg length determined in part a from feet to centimeters. Round answer to nearest tenth

laSK A In Task 1 you determined how much of your own money you're willing to spend to get your business started. This is your limitwhen making your product you can't exceed this amount. a. Write an inequality that represents the fact that while making your product you can't exceed this spending limit. (the numbers below should come from Task 1)
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The sampling frame is not the same as Nonresponse bias, Which of the following are true and which
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Your office window is a =55feet high. Looking out your window, you find that the top of a statue lines up exactly with the bottom of a building that is b =600horizontalfeet from your office. You know that the statue is c =175feetfrom the building. How tall is the statue?

5953035339\" Add one more hand to your tile: 0 Flying Colours, 5 members cosng $80. The band plays jazz and the notes in the leindicate that the band is suitable for dances and mature audiences. Make these changes to the data in your file: 0 Blue SoX Quartet has increased its price to $550. 0 Cruising has increased its price to $TDD. Matthew and
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Serial numbers for a product are to be made using 2 letters followed by 4 digits. The letters are to be taken from the first 6 letters of the alphabet, with no repeats. The digits are taken from the 10 digits 0, 1, 2, ... , 9 , with no repeats. How many serial numbers can be generated?

Make sure you understanding what the question wants! Related material: Number Theory. please show step by step, thank yoy! \f
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QUESTION 2 As part of a study of corporate employees, the director of human resources for PNC, Inc. wants to compare the distance traveled to work by employees at its ofce in downtown Cincinnati with the distance for those in downtown Pittsburgh. A sample of 40 Pittsburgh employees showed they travel a mean of 370 miles per month. A sample of 35
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Copy all of the data into a column, use Column M and go from cell M1:M80 Ise the Data Analysis tool on the numbers just copied to find the Descriptive Statistics: Click on Data Analysis and Choose Descriptive Statistics
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In many European countries the percentage change in population has been negative in recent decades. Does that statement makes sense (or clearly true) or does not make sense (or clearly flase) Explain.

Write a function M(x) that gives the mass of each coin in kilograms as a function of day x. (2 pts) a. Use M(x) from Question 2 to write an inequality that describes the mass of a coin that the general could carry or roll out of the treasury. (2 pts) b. Make a table of values of this function. (3 pts) C. Use the table to solve the inequality. (2
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