A casting director wishes to find one male and one female to cast in his plate if he plans to audition 9 males and 14 females and how many different ways can this be done

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A: Given P=0.45 q=1-p  =0.55

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A: Given that  μ = 100

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Q: Test whether increased speed is linked with the claim cost.

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A: 1. The simple linear regression model is defined as, Yi = β0 + β1Xi + €I, where β0 is the intercept,…

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Q: A student took measurements of the mass of an object using the same balance. The data obtained were…

A: Here Given  data of mass of objects using the same balance. Data are  1.383 g, 1,387 g, 1.389 g and…

Q: The average height of adult males in the United States is 68.5 inches. Assume that a = 3.1 inches…

A: Given,sample size(n)=15mean(μ)=68.5standard deviation(σ)=3.1

Q: The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings…

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Q: Good credit: The Fair Isaac Corporation (FICO) credit score is used by banks and other lenders to…

A: Given that  Hypothesized Population Mean (\mu)(μ) = 720720 Sample Standard Deviation (s)(s) =…

Q: Solve and show full solution. (Not excel) To inspect the quality of the screens for mobile phones…

A: Given that,  For device 1, probability p1= 99.3% = 0.993 For device 2, probability p2= 99.7%= 0.997…

Q: 3. A Gallup poll conducted in 2010 found that 494 of 1050 adult Americans believe it is the…

A: Given that  Sample size n =1050 Favorable cases x =494 Sample proportion p^=x/n  =494/1050 =0.4705

Q: rd the number of individuals passing the nearest road intersection (your house is the point of…

A: Given: Number of observations = 15 Let the observations be 45 21 33 49 32 50 35 40…

Q: (a) what are the null hypothesis H, and the alternative hypothesis H, that should be used for the…

A: Test is that whether the average is greater than 40 minutes. The type I error is defined as…

Q: The number of patrol officers needed on staff depends on the crime rate of the county, which is…

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Q: The leading brand of powdered milk in the Philippines has a market share of 45%. A sample of 14…

A: Given that  n=14 , p=45%=0.45 , q=1-p=1-0.45=0.55 X~Binomial(n=14,p=0.45) X=Number of leading brands…

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Q: Consider this data: МАTH SCIENCE FILIPINO ENGLISH A.P NAME GRADE GRADE GRADE GRADE GRADE MARK 75 70…

A: Given information: Name MATH GRADE SCIENCE GRADE FILIPINO GRADE ENGLISH GRADE A.P GRADE MARK 75…

Q: The survey of 523 students showed that 141 first year engineering students were willing to enroll…

A: Given  n1=523, n2=477, X1=141, X2=81 , level of significance ɑ=0.01

Q: t the Fairgrounds race track, each race has 5 horses. Assume that the horses are equally matched in…

A: Solution-: Given: n=Number of races =12             p=probability of winning horses =1/5=0.20 We…

Q: What is the area under the t-distribution from t=-1.771 tot = 2.160 at df= 13?

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Q: Part variability is critical in the manufacturing of ball bearings. Large variances in the size of…

A: The following information has been given: The sample size is n=15 The sample standard deviation is S…

Q: 2. An investment consultation firm claims that it will increase the returns on its clients'…

A: Given that  Sample size n =50 Sample mean =18.5 Standard deviation =0.5

Q: The width of a confidence interval calculated to estimate the population mean decreases (gets…

A: The confidence interval for population mean os given by   x̅  ±  Zα/2*(σ/√n) Where, x̅ = sample mean…

Q: An electronics manufacturer wants to estimate the mean lifespan of an electronic component to within…

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Q: 4. Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 46 of…

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Q: The accompanying table gives amounts of arsenic in samples of brown rice from three different…

A: The table shows the amounts of arsenic in samples of brown rice from three different states.

Q: Find a 61% confidence interval for the true average temperature of the sub's reactor.

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Q: A sıngle serving bag of Ray's Classic Potato Chips is listed on the package to be 28.3 grams. The…

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Q: 5.  Determine whether the hypothesis test involves a sampling distribution of means that is a normal…

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Q: You are interested in analyzing whether the use of apps like Vine and TikTok affect people's…

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Q: A credit crunch gripped the nation in 2007-2008 leading to record numbers of mortgage foreclosures…

A: Matched pairs test We use matched pair test when there are pair of samples are given from same…

Q: True or False   Consider the following model, Yi = β0 + β1Xi + ui,E[ui|Xi] = 0,i = 1,...,n…

A: Solution: As per the guidelines first three parts should be answered.

Q: The U.S. Census Bureau reported in that, people annual income for people who never married was…

A: Given that  Sample size n =100 , for each group.

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A: Given: The data given is as follows x y 14 88 15 29 18 22 27 64 38 22 64 14 65 52…

Q: Describe the null and alternative hypotheses used in hypothesis testing

A: Hypothesis testing is one of the statistical inferential procedures.

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Q: nanical analyst is wondering whether the proportion of young adults (ages 18-29) in the U.S. would…

A: Given that  Sample size n=1000 Population proportion p=0.16

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Q: Listed below are the lead concentrations in µg/g measured in different traditional medicines. Use a…

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Q: A personality study on university students was conducted to investigate the hypothesis that…

A: Given : Group 1 Group 2 Group 3 3 2 3 2 1 1 5 3 4 2 3 4   3 2