the unemployment rate for 18- to 34-year-olds was reported to be 10.8% (the CincinnatiEnquirer, november 6, 2012). assume that this report was based on a random sample offour hundred 18- to 34-year-olds.a. a political campaign manager wants to know if the sample results can be usedto conclude that the unemployment rate for 18- to 34-years-olds is significantlyhigher than the unemployment rate for all adults. according to the bureau of laborStatistics, the unemployment rate for all adults was 7.9%. develop a hypothesis testthat can be used to see if the conclusion that the unemployment rate is higher for18- to 34-year-olds can be supported.

Q: central airlines claims that the median price of a round-trip ticket from chicago, illinois, to…

A: Sample size(n)=25 Median price=606 The number of tickets below $606 =11

Q: Suppose that the unemployment rate for 18- to 34-year-olds was reported to be 10.6%. Assume that…

A: Given, The unemployment rate for 18- to 34-year-olds was reported to be 10.6% based on a random…

Q: Does this statement make sense or not? our study measured the birth weights and incidents of…

A: Here we want to Know that the given statement make sense or not.

Q: Construct a 90% confidence interval for the true difference between the mean amounts of time spent…

A:

Q: Consider a sample with data values of 26, 24, 19, 14, 31, 35, 29, and 24. Compute the 20th, 25th,…

A: Percentile:It is a measure that indicates the value of percentile below which the given percentage…

Q: What are the hypotheses to determine whether a population mean exceeds 942?

A: Given that  Population mean μ =942 NOTE:- According to bartleby guidelines expert can solve only one…

Q: Sleep apnea is a condition in which the sufferers stop breathing momentarily while they are asleep.…

A: It is given that n=409 and x=21.

Q: 3. A Gallup poll surveys American beliefs about big business. The Gallup poll reports that 26% of…

A: Population proportion, p=0.26 Sample size, n=20

Q: Use the attached picture of histograms to answer the following questions. All histograms have the…

A: The four histograms are given.  To interpret the following histogram.

Q: Given that the total sample of an FDT is 432, and the relative frequency of one of the classes is…

A: Total total relative frequency is add up to 100%  Here the  relative frequency of one class is…

Q: In 2006 the GSS had a special topic that investigated disabilities. They asked respondents if they…

A: Favorable cases (x) = 265 and sample size (n) = 2749 Then,  We will find the point estimate of the…

Q: Some people are concerned that new tougher standards and high-stakes tests adopted in many states…

A: Given : x = 210 n = 1782 Hypothesis : H0 : p ≤ 0.103 Ha : p > 0.103 p^ = 2101782 p^ = 0.1178 sp^…

Q: When would a researcher use a judgment, or purposive, sample?

A: We know that  Judgement sampling -  It is the non probability sampling technique . Here researcher…

Q: Sierra College students enrolled in an online Elementary Statistics course were asked to participate…

A: Given:   Desktop computer 31 laptop computer 113 Smart phone 6 Tablet 3 Total 153

Q: 4. A sample consisting of 430 mean and 765 women was asked various questions pertaining to…

A:

Q: a bank analyst wants to ask customers who have a mortage with the bank about the customers…

A: If all the units in a sample has equal chance of being selected, then it is called simple random…

Q: Can someone please explain to me how to get the answers to the following questions...Use the sample…

A: 2a) From the data set the maximum value is 16.9, and minimum value is 2.1. The range is,…

Q: if the grades you receive are good bad and unacceptable , would this be a qualitative or a…

A: Qualitative measure is a type of information that describes traits or characteristics  And the…

Q: Q. 14 What is the difference between sample mean and population mean?

A:

Q: If I have a sample of people’s ages, and the IQR is 20, what does this mean?

A: Given:  IQR for sample of people's ages is 20.

Q: Employees of ABC Corporation are about to undergo a retraining program. Management is trying to…

A: TWO WAY ANOVA

Q: The hourly wages for a sample of part-time employees at Home Depot are: $15, $22, $18, $15, and $23.…

A: A detailed solution is given below.

Q: In the US, 45.4% of all people have type O blood, 39% have type A blood, 11.9% have type B blood and…

A:

Q: . When an accurate and complete list of the population is not available, a sampling will suffer…

A: We want to tell you, which one is the correct choice.

Q: The recidivism rate for convicted sex offenders is 16%. A warden suspects that this percent is…

A: Given : x = 72 n = 378 p^ = xn p^ = 72378 p^ = 0.191 α = 0.1 a) For this study, we should use…

Q: According to the FBI and the Justice Department, 70% of all arrests are of males aged 15 to 34…

A: The level of significance is 0.01 (=1%).

Q: For the study described below, identify the population parameter and the sample statistic. "As…

A: Given that  As relationships, living arrangements and family life continue to evolve for American…

Q: “The 2011 Sleep in America® annual poll was conducted for the National Sleep Foundation by WB&A…

A: here given  The National Sleep Foundation sponsors an annual poll. In a March 2011 press release…

Q: Twittering away The Pew Internet and American Life Project asked a random sample of 2253 U.S.…

A: Given Information: Sample size n=2253 Sample proportion p^=0.19

Q: 1.      The mean work week for a new engineering company is approximately 60 hours. A recently hired…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

Q: a. Complete the table by filling in the expected frequencies. Round to the nearest whole number:…

A: Test is that whether the distribution of blood type is different for millionaires.

Q: According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft,…

A: Solution: Let X be number of complaints of identity theft and n be the sample number of customer…

Q: Suppose a survey of 954 homeowners found that more than 24​% bought flood insurance. Which part of…

A: In a survey of 954 homeowners, more than 24​% bought flood insurance.

Q: 1. In a survey, 957 internet users chose to respond to this question posted on ratemyprofessors.com:…

A: Part a: It is an observational study. (This is observations regarding the current scenario and not…

Q: A marriage counselor has traditionally seen that the proportion p of all married couples for whom…

A: Given,n=220x=174population proportion(P)=0.76and α=0.01

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.