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Mathematics Questions and Answers March 19, 2021

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7 (1 point) Enregistr(e) Un des problmes majeurs, relatif aux structures de loisirs au Canada, est qu'il n'existe pas de loi fdrale en matire de loisir. Options de la question 7 : Vrai Faux

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Decide whether subset equals, is a proper subset of, both, or neither can be placed in the blank to make a true statement. {12, 13, 14} _______ {12, 13, 14} Question content area bottom Part 1 A.subset equals subset equals B.is a proper subset of is a proper subset of C. Neither D. Both is a proper subset of and subset equals

Write expression for threshold gain - loss, that will be equal to zero, in terms of the following variables: A, a_i (internal loss), L (length) and Bb where A=gA where is the confinement factor and g is the gain , and Bb=ln(R1R2) where R1 is the power reflectivity of the first facet and R2 is the power reflectivity of the second facet. You should

i want to show that 18u^2 + 3uv - v^2 = 3333 has no integer solution and the hint is to show that 3 divides v for any possible solution (u,v) and then consider the equation modulo a suitable positive integer

Entre las modificaciones que se introducen al Reglamento de la CCI 2012 tenemos la introduccin del arbitraje multipartes. A)verdadero b)falso

Find the value of the given polynomial when (a) x=0 and (b) x=-1. 4x26x4

f(x)=x^3+6x^2-15x+10 The global maximum of this function on the interval [0, 3] is found at thefollowing x-value?

The hypotheses H0:=350 versusHa: <350 are examined using a sample of size n = 20. The one-sample t statistic has the valuet=1.68 . What do we know about the P -value of this test?

A home valued at $290,000 is insured in a policy that contains an 80% coinsurance clause. The face value of the policy is $119,000. If the home is a total loss, what is the amount of compensation?

An indicator like MACD uses EMA as part of its computation. In Project 8, if you want to use EMA in addition to using MACD, then EMA would need to be explicitly identified as one of the five indicators. (True or False)? Group of answer choices

A deck of cards contains 20 cards: 6 red cards and 14 black cards. Find the expected value of this random variable Find the variance of this random variable

Based on a historical pre-election poll of likely U.S. voters, 47% of those polled said that they intended to vote for George W. Bush and 41% said they intended to vote for John Kerry. There was 95% margin of error of +/- 3% points for each estimate. Based on your knowledge of confidence intervals, you can determine that:

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Find a polynomial f(x) of degree 3 that has the following zeros 5 , 0 , 2 Leave your answer in factored form. = fx

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With a 90% confidence interval mu 1 - mu 2. Experimental Control n 26 18 x 49.3 41.8 s 6.4 12 The confidence interval has a lower bound of_____ and an upper bound of_______.

(07.01 MC) In circle A, the measure of _BAD is 148: C D 148 A B If mBC is 1020, what is mCD? O 740 O 46 O 960 O 148
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A spotlight is mounted on the eaves of a house 30 feet above the ground. A flower bed runs between the house and the sidewalk, so the closest the ladder can be placed to the house is 16 feet. How long a ladder is needed so that an electrician can reach the place where the light is mounted? The length of the ladder needs to be ___ ft3 ft2 ft

Multiple Choice Question Choose the answer choice that should be placed in the following list to create parallelism. School supplies needed: Pencils Crayons Markers ______ Multiple choice question. Enough calculators Pens A ruler A set of highlighters

Ant man plans to hang out on a fairly deserted beach, where there are not many rules about how he needs to behave at any particular time. This situation is an example of

Suppose (0.5, 0.9) is a 95% interval estimate for p, the true population proportion. A. What is the value of P-hat B. What was the margin of error C. What was the value of Z * /2 D. If you took 20 random samples, and used them to construct 20 seperate 95% CIs for the population proportion, how many of those 20 CIs would you expect to contain the

Time Intake 0800 10 ounces of water 0900 1 piece of toast (1 ounce) 0900 0.8 cups of cottage cheese 0900 5 ounces of coffee with 2 ounces creamer 1000 dounces of coffee with 1 ounce creamier
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Explain the following: a. Median voter theorem b. Log rolling c. For both (a) and (b), state one advantage and disadvantage?

Find the slope of the line between the points with the given coordinates. (If an answer is undefined, enter UNDEFINED.) (6, 2), (6, 7)

The average number of mosquitos in a stagnant pond is 70 per square meter with a standard deviation of 12. If 16 square meters are chosen at random for a mosquito count, find the probability that the average of those counts is more than 72.7 mosquitos per square meter. Assume that the variable is normally distributed.

(One sample t-test) A new weight-reducing pill is being sold in a South town. The manufacturer claims that any overweight person who takes this pill as directed will lose 15 pounds within a month. To test this claim, a doctor gives this pill to 6 overweight peopl e and finds that they lose an average of only 12 pounds with a standard deviation of

content area top Part 1 Which of the following procedures is correct to perform the subtraction below? (2xplus1)minus(xsquaredplusxminus3) Question content area bottom Part 1 Choose the correct answer below. A. Eliminate the parentheses, since they are not needed, and then combine like terms. B. These polynomials cannot be subtracted since the

3. What is the business value derived from the successful completion of this project? What can executives at Nationwide do now that they could not do before? Provide some examples.

Swaziland has the highest HIV prevalence in the world: 25.9% of this country's population is infected with HIV. The ELISA test is one of the first and most accurate tests for HIV. For those who carry HIV, the ELISA test is 99.7% accurate. For those who do not carry HIV, the test is 92.6% accurate. If an individual from Swaziland has tested

Give your best estimate of the age at which about 50 percent of children begin to: 1. Laugh 4 months 2. Pedal a tricycle. 3 year 3. Sit without support 7 months 4. Feel ashamed 18 months 5. Walk unassisted 13 months 6. Stand on one foot for 10 seconds 3 years old 7. Recognize and smile at mother or father 2 months 8. Kick ball forward 18 months 9.

Assume that the test for some disease is 99% accurate. If somebody tests positive for that disease, is there a 99% chance that they have the disease?

Determine the indicated probability for a Poisson random variable with the given values of and t . = 0.4, t =4, P (Nomorethan3)

A survey of 120 teenagers (ages 12-17) was conducted about their social media usage. It was found that 87 teenagers had a Facebook account, 63 teenagers had a Twitter account, and 48 teenagers had both a Facebook and Twitter account. One teenager from this survey is selected at random. Find the probability that this teenager has a Facebook

= n 8. Does the series converge or diverge? Which test did you use? X ot = A Answer for 8. The series CONVERGES / DIVERGES . Test used
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What are some factors that affect a patient's length and quality of stay in the hospital? How can collecting data on a patient improve their overall experience? Is data important in nursing and medical research

You are given the following demand and forecast history for iPhone12 smart phones. What is the weighted moving average forecast for Period 7 with weights w 2 = 0.6 and w 1 =0.4? Usew 2 for the most recent data value.(Do not round intermediate calculations. Round your final answers to two decimal places.) Period Actual Demand Forecast 1 58 59.96 2

please help but no picture just text because i can not view pictures thank you Can you use the converse of the Is this triangle a right triangle? Pythagorean theorem to determine if a triangle is a right 5 triangle? R 6 S
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Find the expression for the m1 -year effective discount rate (call it ) from time t to time t m1 in terms of an accumulated amount function A()

Find the y-intercept of the following: x: 1, 3, 5, 8, 9 y: 4, 2, 6, 6, 7

6. (01.01 MC) Monica earned $60 from a bonus plus $8.50 per hour (h) she worked this week. Which of the following expressions best represents Monica's income for the week? (1 point) 8.50h + 60 8.50 + 60 8.50 + 60h 8.50 + h + 60

If 2h2 + 71 - 15 =0, which of the following is a possible value of h? OA. NIH OB. OC. 3 OD. 5
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Suppose that we want a very small 2-independent hash function, one that maps three different inputs x, y

If A and B are independent events, P ( A )=0.22 , and P ( B )=0.65 , what is P ( B | A ) ?

Recent recommendations suggest 60 minutes of physical activity per day.A sample of 50 adults in a study of cardiovascular risk factors report exercising a mean of 38 minutes per day with a standard deviation of 19 minutes.Based on the sample data, is the physical activity significantly less than recommended?Run the appropriate test at a 5% level

If A = sin x and B= cos x , then the equivalent value of A^2 - B^2 is

A doctor wishes to estimate the mean triglyceride level of patients three hours after eating a steak dinner. To estimate the mean, you collect data from 22 patients. State the individual, variable, population, sample, parameter, and statistic.

WHICH OF THE FOLLOWING STATEMENTS ABOUT TUBERCULOSIS TESTING IS ACCURATE? A POSITIVE SKIN TEST REACTION INDICATES EXPOSURE TO TUBERCULOSIS BUT IS NOT A DIAGNOSTIC OF ACTIVE TUBERCULOSIS; FREQUENT SERIAL XRAYS ARE REQUIRED TO MONITOR PROGRESSION OF TUBERCULOSIS LESIONS IN THE LUNGS WHEN THE TB SKIN TEST IS POSITIVE; THE RESULT OF THE TB SKIN TEST

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Wind, Inc. has two product linesfans and air conditioners. The income statement data for the most recent year is as follows: Total Fans Air Conditioners Sales revenue $1,050,000 $700,000 $350,000 Variable costs (430,000) (150,000) (280,000) Contribution margin $620,000 $550,000 $70,000 Allocated fixed costs (180,000) (90,000) (90,000) Operating

The rotunda of pantheon may be defined as Group of answer choices the place where the dome comes to rest the central hole at the top of the dome each of the receding rectangular elements in the ceiling cylindrical-shaped room

A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 447 447 gram setting. Based on a 26 26 bag sample where the mean is 444 444 grams and the variance is 324 324, is there sufficient evidence at the 0.05 0.05 level that the bags are underfilled? Assume the population distribution is

A random sample of n200 patients admitted to an adult intensive care unit were evaluated on a range of variables to determine predictors of Intensive Care Unit (ICU) mortality. Below is a table of survival status by gender. \f
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rolal Date floject Graph 5: The time, the garb, the gift, all of the above. Everything will turn out perfect when you're in love... r = 4 - 4 sin 0 r = 4 - 4 sin 0 6 4 3 3x 2 2x 3 3x 4 11x 5x 6 6 I
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What is cumulative disadvantage? Give an example of how cumulative disadvantage may play a role in reentry
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What does Duverger's Law (1963) posit? "...the simple majority system with the second ballot and proportional representation favors multi-partyism." "...the simple majority single-ballot system favors the two party system." "...there is no rhyme or reason for why some countries have many parties and some only have two" A and B are both true

3. Develop and discuss in the context of the problem the 95% confidence interval estimates for absentees from work (ABSENT) for a. all employees; b. employees from each job complexity categories; c. employees from each supervisor satisfaction categories
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At a college, 61 % of courses have final exams and 36% of courses require research papers. Suppose that 20% of courses have a research paper and a final exam. Find the probability that a course has a final exam or a research project. ENteranswer as a decimal to 2 places with a 0 in front. If your answer is just one decimal place, then type for

In a group of 32 students, it was found that 15 took sociology and 11 took neither sociology nor physics. One third as many students took both subjects as took physics only. How many students took sociology but not physics? O A. 24 O B. 13 O c. 2 O D. 8 O E. 6
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Christopher purchased a house for $425,000. She made a down payment of 20.00% of the value of the house and received a mortgage for the rest of the amount at 6.92% compounded semi-annually amortized over 20 years. The interest rate was fixed for a 6 year period. a. Calculate the monthly payment amount. $0.00 Round to the nearest cent b. Calculate

Results from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation.A random sample of 200 high school seniors from this city reveals that 162 plan to attend college.Does this indicate that the percentage has increased from that of previous studies?Test at the 5% level of significance.

1. -Sabes cul es la enter answer ms popular en el mundo? -Es Facebook, no? 2. -Saqu una foto de mi nuevo perrito y la enter answer en Facebook. En dos minutos tuve quince enter answer ! -Es que es tan lindo! 3. -Juan y Mara enter answer las fotos de su graduacin en Facebook. Se ven muy felices. 4. -Viste que Juan enter answer su comentario sobre

Which graph represents the solution set of the following situation? Andrew is buying fruit for a fruit salad. Bananas cost $1 a pound and oranges cost $2 a pound. He plans to buy at least 10 pounds of fruit and spend no more than $20. Let x represent pounds of bananas and let y represent pounds of oranges

I need extra help on my homework for math because I'm falling behind and I don't want to get kicked of the FFA team

3. Next, as a preliminary but naive test of whether the weight management module has any effect, compare the mean weight change for employees who enrolled in that module to the mean weight change for employees who did not enroll in it. Do not control for any other variables
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Graph the line by locating any two ordered pairs that satisfy the equation. Round to the nearest thousandth, if necessary. y=2x

Completar Complete the following conversation with the appropriate demonstrative adjectives. Word Bank reference Your options are: aquel, aquella, aquellos, esa, esta, Question 1 with 5 blanks Buenos das, quiero comprar 1 of 5 camisa azul. 2 of 5 de aqu? No, esa no. Quiero 3 of 5 ms arriba. Y tambin quiero 4 of 5 zapatos negros. Muy bien. 5 of 5

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88. Al time / 2 0, a particle moving in the xy-plane has velocity vector given by v(t) = (3, 2"" ). If the particle is at the point I. at time f = 0, how far is the particle from the origin at time I = 1? N (A) 2.304 (B) 3.107 (C) 4.209 (D) 5.310
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) We expect that as the number of whisky drinks consumed increases the amount of time to tie your shoelaces increases. If we execute a regression to predict the average number of seconds to tie the shoelaces (the dependent variable, or Y) using the number of whiskey drinks consumed (the independent variable, or X) then what would be the

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The inflationary universe: Question 12 options: is probably not correct, but it's an interesting idea describes a universe that briefly expands by a factor of before the universe is seconds old describes a universe that briefly expands by a factor of before the universe is seconds old describes a universe that has expanded much quicker than

Which spacecraft captured the famous "Pale Blue Dot" picture? Question 8 Select one: a. Pioneer b. Voyager c. Cassini d. Mariner

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Please help 1 panying data table, which shows the amounts of nicotine (mg per cigarette) in king-size cigarettes, 100-mm menthol cigarettes, and 100-mm nonmenthol cigarettes. The king size cigarettes are nonfiltered, while the 100-me and the 100-mm nonmenthol cigarettes are filtered, Use a 0.05 significance level to test the claim that the three
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1.he variance of systolic blood pressure in this sample was 250. What is the total sum of squares ( Y - Y )2for those 1000 cases? ( Y is the sample mean of Y . There are two formulas for variance, and in this problem, use [variance = total sum of squares / N] instead of [variance = total sum of squares / (N-1)] . )

The level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful life (150,000 miles of driving) of cars of a particular model varies Normally with mean90 mg/mi and standard deviation4 mg/mi. A company has25 cars of this model in itsfleet. find the levelL such that the probability that the average NOX + NMOG

Hoy es el primer da de vacaciones, y salimos Puerto Rico! Los chocolates son mi abuela porque hoy es su cumpleaos. Mi ta y yo hablamos telfono una vez a la semana. Normalmente yo hago ejercicio la maana. Tengo que terminar la tarea el viernes

which of the following terms describes the accuracy with which a scale measures what it is intended to measure

In business administration, when might you want to know the mean differences between two or more groups? (Please don't use the ad agency example)

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True or false: Revolving credit cards are an unpopular form of spending due to the inconvenience involved

A news article appearing in a national paper stated that"The fatality rate from the use of firearms sank to a record low lastyear." But the overall number of violent fatalities increasedslightly, leading the government to urge an increase in police forces in major urban areas.Overall, 15,600 people died from violent crimes in2005, up from15,562

if f(sintheta)+g(costheta)=0 then must f(sintheta)=g(costheta)

Suppose that f ( x , y ) = 6 x for 0 x y 1 . Find P ( X < 1 / 2 and Y < 1 / 2 )

In a gambling game, you receive a payoff of $46 if you roll a sum of 10, and $7 if you roll a sum of 7 on two dice. Otherwise, you receive no payoff. What is the average payoff per play?

what does it mean when i get a two tailed p-value of 0.9241

202010 STAT130M 10112 ELEMENTARY STATISTICS Homework: HW #14 - Section 7.1 Score: 0 of 1 pt 7.1.11 Express the confidence interval (0.092,0.142) in the form of p - E
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The life of a 60- watt light bulb in hours is known to be normally distributed with = 25 hours. Create 5 different random samples of 100 bulbs each which has a mean life of x_bar ~ 1000 hours and perform one-way ANOVA with state it. step by step answer in excel

Suppose that the lifetimes of a certain kind of light bulb are normally distributed with a standard deviation of 120 hours. If exactly 98 % of the bulbs die before 900 hours, find the mean lifetime of the bulbs. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place. Can you show me

Suppose there are 161 units of a substance at t=0 days, and 149 units at t=4 days If the amount decreases exponentially, the amount present will be half the starting amount at t=4 days (round your answer to the nearest whole number)

Chris and Ed decide to help each other by doing repairs on each other's houses. Chris is a carpenter, and Ed is an electrician. Chris does carpentry work on his house as well as on Ed's house. Similarly, Ed does electrical repairs on his house and on Chris' house. When they are all finished, they realize that Chris spent 25% of his time on his own

You are 19 years old today. You want to have $381,507.06 in an investment account when you are 60 years old. You will start with an initial deposit in one year from now and grow it by 3% per year for a total of 15 investments. How much is the amount of that initial deposit? Assume an interest rate (a.k.a. return on your investment of 6%. Use the $

If a categorical independent variable contains 5 distinct types, such as a Student Home Residence factor (OKC region, Tulsa Region, Other OK, Texas, Other) , then when the model contains a constant term, ________ dummy variable(s) will be needed to uniquely represent these categories. 5 3 2 4

Consider the formula used for any confidence interval and the elements included in that formula. What happens to the confidence interval if you: increase the confidence level? increase the sample size? increase the margin of error? Only consider one of these changes at a time. Explain your answer with words and by referencing the formula.

How much would you have to deposit in an account with a 8% interest rate, compounded continuously, to have $3000 in your account 10 years later
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Given the following data on the number of pints of ice cream sold at a local ice cream store for a 6-period time frame: Period Demand 1 200 2 245 3 190 4 270 5 280 6 300 If the forecast for period 5 is equal to 275, use exponential smoothing with = .40 to compute a forecast for period 7. 273 277 267.8 286.2

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