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Mathematics Questions and Answers October 14, 2022

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The tensile strength of a rope is the load at which a new rope, tested under laboratory conditions, can be expected to break. A certain brand of 12 mm rope is advertised with a tensile strength of 8400 pounds. A random sample of 25 coils of this rope was tested under laboratory conditions. The mean breaking strength is 8367 pounds with a standard

Occasionally, a machine producing steel tools needs to be reset. The random variable X is the number of resetting in a month. The mean number of resetting needed per month has been found to be 6. Find the probability that: 1. 7 resetting per month are needed. (3 points) 2. Less than 3 resetting per two months are needed. (3 points) 3. More than 4

Homework 3.3 Arc L X M MyOpenMath X M MyOpenMath x | M MyOpenMa C https://www.myopenmath.com/assess2/?cid=219651&aid=15503874#/full Question 7 0/1 pt 9 3 99 0 Details For the function graphed below, estimate the point of greatest curvature 4 - -2 -1 2 3 1-1 -2 ac Submit Question Question 8 C0/1 pt 9 3 99 0 Details Find the curvature of the curve
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In TODO 2 your task is to complete the body of the sphere_volume function with the radius parameter. Implement the body of the function to return the volume of a sphere given the radius provided as an argument

Show the corresponding two-dimensional table that solves the following problem: maximum capacity W = 35 (lbs); item A has weight wa = 5 and value va = 2000 (USD); item B has weight wb = 20 and value vb = 1200; and item C has weight wc = 15 and value vc = 700. Also write the solution set of items that fit in the knapsack and maximize the value

Let's consider a projectile being launched by a catapult. Is the following statement true or false? Its launch speed only depends on the angular velocity w of the catapult, not the length of the catapult arm r. Group of answer choices True False

Solve for X: 4 . 23x-2 - 56Find the solution of the logarithmic equation 22 - In(2 - x) = 0 correct to four decimal places. Your answer isHow much money should be invested today at an annual rate of 8% compounded continuously so that 18 years from now it will be worth $ 20, 000? You should invest $
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Show through a truth table, whether the following argument is valid or not: 1. Ghosts exist or are the product of our imagination. 2. It is not true that there are ghosts. 3. Ghosts are the product of the imagination. Symbolically: 1. r V s 2. ~ r 3. s

According to the Migraine Research Foundation, nearly 1 in 4 US households includes someone with a migraine. Amazingly, 12% of the populationincluding childrensuffers from migraines. 18% of American women, 6% of men, and 10% of children experience migraines. 35% of the population suffering from migraines finds Sumitriptan effective in treating

According to the historical data, the life expectancy in France is less than or equal to the life expectancy in Germany. A new study has been made to see whether this has changed. Records of280 individuals from France who died recently are selected at random. The280 individuals lived an average of78.3 years with a standard deviation of6.7 years.

a) Given |a| = 10, | = 14, and O = Z(a, b) = 150, find a . b b) If a and b are unit vectors, and a + b = V3, determine 2a - 3b (a + 2b
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The random variable X follows a poisson process with the given value of mean and time Assuming mean =0.08 and time =14 compute the following: A. P(6) B. P(x <6) C. P(X> or equal to 6) D. P(3, or equal to X < or equal to 5) also mean X standard deviation and variable. Please show how work problem in steps

A payday loan is made for five weeks, where the amount of interest owed per A payday loan is made for five weeks, where the amount of interest owed per $100 borrowed is $10. If you borrow $700 for ve weeks, how much do you owe at the end of the five weeks? Answer(How to Enter) 2 Points
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AI, if my cumlamative gpa is 3.101, how do I raise it to 3.25

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Can anyone help me compute the sum of squared errors (SSE) for the model. Round your answer to four decimal places. Consider the following data regarding students' college GPAs and high school GPAs. The estimated regression equation is Estimated College GPA = 3.55 + ( - 0.0595) ( High School GPA ). GPAs College GPA High School GPA 3.20 3.28 3.95
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Show Instructions Question 8 of 25 | Page 8 of 25 Question 8 (8 points) A person interested in a new vehicle finds one for a selling price of $35,900. The dealership offers to finance the vehicle but requires a down payment of 10%. The doc fees are $450, the registration fees are $1,750, the dealership charges a dealer fee of $550, and the sales

The bicondylar angle Group of answer choices is an angle at the shoulder joint so the arms do not angle upwards is an angle at the knee joint enabling the knees to come together is a term used to describe the use of the four limbs of a quadruped none of the above

A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 27311722221810151920231813222714 Click here for the Excel Data File Find a 90 percent confidence interval for , assuming that the sample is from a normal population. (Round your standard deviation answer to 4 decimal places and t-value to 3 decimal places. Round

For X1, X2 and Y state the model and test the slopes and intercept to see if they exist and conduct the F test. Test at an alpha of .05. Test B0 and B1 again to see if they make a positive impact on Y. Test these at .10. Whats the hypothesis, graph each test showing the rejection region and state a conclusion. n=10 \f
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Your initial post in this discussion will be a 250-500 word reflection about what you have read and the attempt to follow the ancient instructions for simplifying fractions. Some ideas for what you may include in your reflection: Define "simplifying fractions" in your own words and explain why it should be done. Describe the procedure you learned

The time to complete an exam is approximately Normal with a mean of 47 minutes and a standard deviation of 4 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. # = 47 0=4 H- 30 4-20 4-g H+0 H+20 4+30The results of a common
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For a data set for a study on adopted children and their adoptive parents or birth parents and the amount of television watched. I am confused with which variables are dependent and which are independent: Adopted children Birth parents Adoptive parents

Hi, please help me solve, thank you! 8.2.17 Assume that the significance level is a = 0.01. Use the given information to find the P-value and the critical value(s) The test statistic of z = 1.00 is obtained when testing the claim that p > 0.5. Click here to view page 1 of the Normal table, Click here to view page 2 of the Normal table P-value =
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find the correct inverse Laplace transforms for fraction numerator 1 over denominator left parenthesis s plus 1 right parenthesis left parenthesis s plus 2 right parenthesis end fraction e to the power of negative 2 s end exponent space plus 4

Emmanuel, a student at a Los Angeles high school, kept track of the calorie content of all the snackshe ate for one week. He also took note of whether the snack was mostly "sweet" ormostly"salty".Identify the variables and their types for this situation. A.The variables are type of snack (categorical) and calorie content (quantitative). B.The

62% of Amazon customers have a prime account for a market research study Amazon selects 500 customers at random from their customer database and test whether or not they have a prime account what is the probability of selecting a sample of 500 customers in which 300 or less have a prime account round at least two decimals places

In the hypothesis test for Ho: mu=40vs Ha:mu>40, the calculated test statistic is 2.03. What is the corresponding p-value for this hypothesis test? 0.0212 0.5910 0.9788 0.0107

(Q1a) Match the term to the correct definition. Mean Mode Median The middle number in a list of numbers that have been arranged in order. The average of a group of numbers. The number that occurs most frequently

Suppose that two counselors at School 1, Michelle and Julie, independently take a random sample of 100 students from their school and record the proportion of students who did their homework last night.When they are finished, they find that the difference in their proportions,M-J, is 0.08.They are surprised to get a difference this big,

Exercise 5. Alice and Bob alternate playing at the casino table. (Alice starts and plays at odd times i = 1,3. ...; Bob plays at even times i = 2, 4. ...) At each time i, the net gain of whoever is playing is a random variable G; with the following PMF: 1/3, 9= -2, pc(g) = 1/2, g = 1, 1/6, 9 = 3. Assume that the net gains at different times are
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The tech company previous question holds another competition. This time their Als perform better and they find that difference in sample proportions (Als - mathematicians) is 0.06. They calculate the p-value of this difference as 0.001. What is the appropriate conclusion? a) The difference is highly statistically significant. b) The difference is

Three men, Smith, Jones, and West are running down the steps. Smith is ahead of Jones, and West is ahead of Smith. Therefore: A. Smith is in the lead. B. Jones is in the lead. C. West is in the lead. D. none of the first three conclusions are necessarily true

A credit card has a daily interest rate of 0.05% per day (no interest free period). Find the interest charged on $1530 for 14 days. Answer to the nearest cent

In a large city, suppose that it has been assumed that 45% of the residents believe the crime rate is too high.A local politician is wondering if the residents' opinions have changed.In order to test this claim, a likelihood ratio test will be conducted. Can you help me with this question?

If b 9 2 f(x)dx = f(x)dx + f(x)dx - f(x )dr, 6 4 what are the bounds of integration for the first integral? 7 = and b =
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3. This problem deals with approximations to the integral 1= ( f (x) dx where f(x) =ecos(x )d.x. To approximate the error in using Simpson's Rule If(4) (x) | must be analyzed. The 4th derivative of would be pretty messy to find. There is a way to look at the graph of the 4th dervitive without having to actually enter the equation into your
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How many sequences of five things can be made from 8 different things with replacement and order is important

In Exercises 13-21, a differential equation and various initial conditions are specified. Sketch the graphs of the solutions satisfying these initial conditions. For each exercise, put all your graphs on one pair of axes. \f\f
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(1 point) Find two linearly independent vectors perpendicular to the vector
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1. [-/1Points] | DETAILS SMITHPOW10 6.1.059. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER One of the first recorded units of measurement is the cubit. If we define a cubit as the distance from your elbow to your fingertips, then we may find that the cubit defined for a man is different than that for a woman. The following figure shows a picture of
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The "square" in the inverse square law comes from the fact that Choose one: A. volume increases like the radius of a sphere multiplied by itself twice (r r r). B. surface area increases like the radius of a sphere multiplied by itself. C. distance increases like the radius of a sphere

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A team of business analysts observe operations at a South Roads retail center.They count the number of customers visiting this center within 20 minute periods.The following table shows 27 samples 1)How do I summarize a frequency distribution for this data.Using the 2 k >n rule, what is the minimum number of classes you can create for this data?

st Math 1033 Quizz 2 Show all work in the space provided. Answers alone will receive no credit. Backwards-checking multiple choice answers is not considered letter of your answer must be written in the answer blank or not credit will be given. Each question is worth 10 points. Name Nathalie Eugene MULTIPLE CHOICE. Choose the one alternative that
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1. State the assumptions governing the use of a t-test of a difference between the means of two independent groups.Which of the assumptions is most important and under what conditions would violations of this assumption be especially severe? 2. One study showed that swearing can help reduce ratings of pain. In the study each participant was asked

Latin for "eye," this term refers to the empty hole found in the center of the top of a dome

According to the Ladder of Powers, which mathematical operation corresponds to the power "0," even though a zero power is defined differently?

Lifetimes of AAA batteries are approximately normally distributed . A manufacturer wants to estimate the standard deviation of the lifetime of the AAA batteries it produces. A random sample of22 AAA batteries produced by this manufacturer lasted a mean of9.6 hours with a standard deviation of2.1 hours. Find a95 % confidence interval for
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Whenever we reject thenull hypothesis, as researchers what type of error are we most concerned that we may have made? Standard error Null hypothesis error Alternative hypothesis error Type II statistical error Type I statistical error

Convert 4.6 gallons to fluid ounces. Round your answer to the nearest tenth

Lupita wants to fence in her tomato garden. The garden is rectangular, and the length is twice the width. It will take 48 feet of fencing to enclose the garden. Find the length and width of her garden

To test the effect of a physical fitness course on one's physical ability, the number of sit-ups that a person could do in one minute, both before and after the course, was recorded. Ten individuals are randomly selected to participate in the course. The results are displayed in the following table. Using this data, find the 90% 90% confidence

A survey of an urban university showed that 750 of 1100 students sampled attended a home football game during the season. Using the 99% level of confidence, what is the confidence interval for the proportion of students attending a football game?

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Find all points on the ellipsoid 2x^2 + 3y^2 +4z^2 = 9 at which the plane tangent to the ellipsoid is parallel to the plane x - 2y+ 3z = 5

The fastest subdivision, therefore the correct quantization for E Piano 3 is

2. Simulation Start with a Blank Excel file and build the model from scratch. The Harriet Hotel in downtown Boston has 100 rooms that rent for $150 per night. It costs the hotel $30 per room in variable costs (cleaning, bathroom items, etc.) each night a room is occupied. For each reservation accepted, there is a 5% chance that the guest will not
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Beef , 27 kg CO2e to produce 1 kilogram or 2.2 pounds of beef. What would be the amount of co2 produced for 1 pound of beef in POUNDS NOT KG? No long explanation is needed just the math part. I personally got 59.5, 1 tutor said 0.99kg even though i said pounds, and another said 27 lbs. ( This is my third time asking this question because I got two

Anvnd FGH fr att finna talet A enligt fljande: A = 1000 FGH

On the next 14 questions check punctuation: After the morning excercise, we decided to go to have breakfast. Correct Incorrect Question 2 0.0667 Points After the concert we praised the pianist. Correct Incorrect Question 3 0.0667 Points The sailor, a tall and thin man, sailed from sea to sea. Correct Incorrect Question 4 0.0667 Points The sailor,

Choose the correct response to the question given. Cundo vienes a la universidad? Question 1 options: Vengo a la universidad por la maana. Tengo cuatro clases en la universidad. Vienes a clase a las 10:00. Vengo a casa a las nueve

Mutual adjustment is probably the best approach to coordination when tasks are either very simple or very complex. Question 11 options: a) True b) False

During the early 2000s, the united states experienced a boom in the housing industry. This boom was in large parts due to efforts by the government to boost consumer spending. The chairman of the federal reserve board at that time. Alan green span, testified before congress on the economy (requoted from wallstreeteindow.com): The rapid rise in
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Write numerals in positional numeration for sets A and B and their sum. a. Basefive A: 2 flats, 3 longs, and 3 units B: 1 flat, 2 longs, and 2 units The minimal set of pieces when combining set A and set B Longflats Flats Longs Units 8 2 3 4 Basefive numeral for set A: five for set B: five for set A combined with set B: five

Using the discrete uniform distribution for a data set with a minimum value of 12 and a maximum value of 25, fill in the blanks below. (Round your answer to 2 decimal places) The mean is The standard deviation is P(X

the population od Kingman, Arizona grew from 13,904 in July 1991 to 28,089 in July 2010. assuming the population changes exponentially, find the approximate growth rate of the population during this time period.

"Generally, operational risk assessments are performed by safety professionals to determine the risk level resulting from a risk source (hazard or operation) and apply appropriate risk-control measures according to the Hierarchy of Controls to reduce risk to an acceptable or tolerable level. Other forms of risk treatment are available to risk
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The Roman numeral succeeding MCMXLIX is _ and the Roman numeral preceding MCMXLIX is _

Giorgio offers the person who purchases an 8 ounce bottle of Allure two free gifts, either an umbrella, a 1 ounce bottle of Midnight, a feminine shaving kit, a raincoat or a pair of rain boots. If you purchased Allure what is the probability you selected at random an umbrella and a shaving kit in that order? 1.00 0.20 0.00 None of the above 0.05

Write the equation of the line that contains the point open parentheses short dash 3 comma space 7 close parentheses and is parallel to the line whose equation is 4 x plus 6 y equals 60. A.) y equals short dash 3 over 2 x plus 5 over 2 B.) y equals 3 over 2 x plus 23 over 2 C.) y equals 2 over 3 x plus 9 D.) y equals short dash 2 over 3 x plus 5

I got a positive answer and a negative answer. I am so confused it is possible for each a and b has two values? \f
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A test was given to a group of students. The grades and gender are summarized below A B C Total Male 3 4 8 15 Female 9 5 19 33 Total 12 9 27 48 If one student is chosen at random from those who took the test, Find the probability that the student was male GIVEN they got a 'B'.

A baseball team plays in a stadium that holds 56000 spectators. With the ticket price at $9 the average attendance has been 25000. When the price dropped to $6, the average attendance rose to 28000. Find a demand functionD(q), whereq is the quantity/number of the spectators. (AssumeD(q)is linear) D(q) =

https://drive.google.com/file/d/1nhacJj2yDWO8dXqhaJqff_1rHVMn5iZE/view 1:41 A cu.edu.pk 6 Maximum Marks: 5 Due: May 22, 2020 Instructions: Submit the PowerPoint presentation by May 22, 2020. You are free to consult each other for verbal help. However, copying or sharing the idea will not only result in the cancellation of the current assignment,
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1. In a lottery game, a person must select 5 numbers from a total of 40. Tracy has chosen 7, 8, 9, 10, 11. Jaime has chosen 39, 17, 37, 5, 28. Who has a greater chance of winning?

Project 1 The file Project 1 - CLT has 10, 100 and 1,000 flips of a fair coin repeated 50 times, under three (3) separate tabs. I have recorded the fraction of the flips that were heads after each 10, 100, and 1,000 flips. I want you to construct a histogram for the fraction of heads in the 50 trials for each tab and summarize your results in the

One of Adam's favorite casino games is called "Craps". In the first round of this game, two fair 6-sided dice are rolled. If the sum of the two dice equal 7 or 11, Adam doubles his money! If a 2, 3, or 12 are rolled, Adam loses all the money he bets. a. Based on your lecture notes, what is the chance Adam will double his money in the first round

-Show all steps taken and work needed to determine the needed equation and to answer each question. - For those that require a sketch of the graph , be sure to label the x and y axes with appropriate increments, and label points on the graph. 1. The equation y = 4y 4x + 13 = 0 will produce a hyperbola. How can we tell by simply observing the
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A coin is tossed 1000 times. Suppose it lands heads 529 times. Find the expected value for the number of heads, the chance error, and the standard error.

combinatorics .... need help!!!!... step by step solution Find the coefficient of ally in the expansion of (1+ry try+ 2x)". How many integer from 1 to 1,000 inclusive are there that are not divisible by any of the numbers 4, 5, or 6. (a) Find the number of integer solutions of the equation where a1 2 0; 1 5 x2
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Consider the following data pertaining tome relationship between a snidenfs high school popuaon size and their resulting SAT scores: SAT Scores Small HS Medium-Sized HS Large HS Low Score 125 75 700 Moderate Soars 225 500 400 High Score 350 425 80 Is ihere a signicant relatiomip? Ha: High school size and student SAT scores one simicany associated
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Compute the determinant by cofactor expansion. At each step, choose a row or column that involves the least amount of computation. StartAbsoluteValue Start 4 By 4 Matrix 1st Row 1st Column 8 2nd Column 0 3rd Column 0 4st Column 5 2nd Row 1st Column 6 2nd Column 8 3rd Column 3 4st Column negative 5 3rd Row 1st Column 2 2nd Column 0 3rd Column 0 4st

Suppose y is a function of x so that f ( x ) = y . The graph of this relationship is shown below. 1 2 3 4 5 6 7 -1 -2 -3 1 2 3 4 5 -1 -2 -3 -4 -5 x y = f(x) What is the vertical intercept of f ? If there is more than one answer, enter your answers as a comma-separated list. What is the horizontal intercept of f ? If there is more than one answer,

The histogram below shows the lengths of many spiders found on the forest floor. Without calculating, what might be the standard deviation for this data?

My H calc is still wrong and I used 0.982 Safari File Edit View History Bookmarks Window Help 189 96% [27] Fri May 22 4:03 AM Q DE ... E newconnect.mheducation.com C mask facemask filter |.. Walmart.com | Save M.. eCampus: Home Content MHE Reader Wk 4 - Practice: Wk 4... How Netflix Expanded. Homework Help - Q&A... Homework Market + Check my work
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The table contains the value of the house and the amount of rental income in a year that the house brings in ("Capital and rental," 2013).Find the correlation coefficient and coefficient of determination and then interpret both. \f
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Plz help D) coorctly stare the domain and the range of the function g(x)sketched above Transformations, Graphs\" and Diagrams: i) For the function g(x) = 2 [05013) + 4: a) State the following information: b) State any asymptotes. c) Sketch the transformed function g(x) = 2 1; + 4' . inctuding table of key 1 [user73) points with transformations. tn
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You are an HIM Manager at Herzing Hospital. You are looking at the length of stay for DRG232 Coronary Bypass with PTCA without MCC. Here are the following lengths of stay for this DRG232 for December. Patient Length of stay (days) A 3 B 4 C 6 D 5 E 4 F 4 G 6 H 3 I 5 J 2 K 5 L 3 M 5 Flag question: Question 1 Question 16 pts What is the mean for

7. A rock It Mount hed inis tojoin from a dull overicoun the water Iin movies In modeled by the function Co- 471+ +1 + 10 where i deo) 1+ mesound in tooandt (4) Determine the velocity of the rock when it is launched. Use a table of values. (3 markas) Average Rate of Internal
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AOn a pool table, the cue ball is struck with a stick such that it moves at a angle 28 angle from the horizontal at a spee of 32 feet per second. How fast does the ball travel in the horizontal direction? A) 28.3 feet per second B) 15.0 feet per second C) 25.6 feet per second D) 17.0 feet per second

3. (10 points) Consider the improper integral 2+ 22 dar. Determine whether it converges or diverges by using the comparison test. Circle your answer below and write down the function g(x) which you have used in the comparison test. No intermediate steps are required. Converge Diverge g(x) =
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Details: In this assignment, you will consider the Flower of Power image provided below and mark t spot within each petal which you identify. The edge of the outer petal indicates less power. The cir the center indicates the most access to different forms of power. You may have access to similar po across all petals, or it may differ from one to
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Please Help! Q1. The figure on the coordinate plane is rotated 90 counterclockwise. 3 1 2 4 unt -5 -4 -3 -2 -1 3 -2 -3 -4 in Clear All Draw: Polygon Draw the resulting image of the figure on the coordinate grid. Hint: 90 : (x, y) + (- y, x) 180 : ( x , y ) + (-x , - y ) 270: (x, y) -+ (v, - x)The figure on the coordinate plane is rotated 180
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1)[6] A sample of diameters of 37 trees in a certain location yields a mean of 10.6 in. and standard deviation 4.3 in. Construct a 90% confidence interval for the overall mean.

13.03 Inference for Two-Way Tables 1.Curious AP Statistics students wanted to know if there was a relationship between dress code violations and disciplinary actions:did students who violated the dress code receive more suspensions, detention, and work detail. In a blind survey, so the identities of the subjects were unknown to the AP students,
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A bank gets an average of 11customers per hour. Assume the variable follows a Poisson distribution. Find the probability that there will be 9or more customers at this bank in one hour. (That is, find P(X 9)) (round to 4 decimal places)

I need help solving the equation like y=mx+b 2. Constant rate of change Y-Intercept: Circle: Proportional / Nonproportional Equation: Temperature (Degrees) Celsius Fahrenheit 32 5 41 10 50 15 . 59 20 68
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A population of 1,000 healthy, at-risk people is monitored for the flu starting on January 1st. No one has the flu at the start of the investigation. Thirty people develop the flu on June 30th and fifty people develop the flu on September 30th. Fifty-five people were lost to follow-up on March 31st and twenty-four people were lost to follow-up on

Rearrange and simplify the following equation, making L the subject. (4 marks) hc/= [h2/8mL2](N 1) Hint: The final answer will be in the form of a square root with the variables L, and N only. In the final answer, combine any constants into one number

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