According to the US Bureau of labor statistics, 7% of US female workers between 16 and 24 years old are paid at the minimum wage or less. A state politician wants to verify this statement for his state. He uses a sample of 500 female workers and finds 42 are paid at the minimum wage or less. Use a 5% significance level to test to test whether that state differs from the nation. State clearly the null and the alternative hypotheses, the test statistic, the decision rule and the conclusion. Find the corresponding confidence interval for the population proportion and state the confidence level.

Q: Hawaii state law requires that businesses offer health insurance to employees that work at least 20…

A: The objective is to obtain the variable of interest, the nature of the sample is being considered,…

Q: 6. A hypothesis test is designed to test the claim that that less than 12 per cent of people in…

A:

Q: Identify the null and alternative hypotheses for this test. Choose the correct answer below.

A: Here Given  Sample size=n=212 X=54 Claim-More than 20 % of user develop nausea.

Q: 1.The battle of the sexes lives on still today. Since admission standards do not address gender…

A: Detailed explanation: Here are the steps for each hypothesis test:1. Comparing Mean GPA Between Men…

Q: state 1 is 50 and for state 2 is 60.Is this difference significant or just by chance? Use…

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Q: Corona virus has affected different states differently in the U.S. In New York out of 142 ICU…

A: State the hypotheses.   Let p1 denotes the population proportion of deaths among ICU patients in the…

Q: The university and the Team Up North both claims to have the highest attendance in the Big Fourteen…

A: Given n1=n2=31 S1=1242 S2=2258 X1-bar=105965 X1-bar=104291

Q: In​ 1997, a survey of 940 households showed that 151 of them use e-mail. Use those sample results to…

A: From the provided information, Sample size (n) = 940 151 of them use e mails that is sample…

Q: According to the US Bureau of labor statistics, 7% of US female workers between 16 and 24 years old…

A: The hypotheses are given below: Null hypothesis: H0:p=0.07. Alternative hypothesis: H1:p≠0.07. Since…

Q: Suppose 243 subjects are treated with a drug that is used to treat pain and 54 of them developed…

A: Given,   The sample proportion is,

Q: Do the states that voted for McCain have a different average percent of heavy drinkers than the…

A: 1. A study is conducted to determine whether McCain states and Obama states have different average…

Q: The College of Graduate Studies at MNSU claims that more than 60% of undergraduate students at this…

A:

Q: According to the Brookings Institution, 50% of eligible 18- to 29-year-old voters voted in the 2016…

A: We are given the condition for hypothesis test as we need to test whether the eligible voters voted…

Q: In a survey conducted by a website, employers were asked if they had ever sent an employee home…

A: Sample size, n=2765 Number of successes, x=964

Q: According to an article in Bloomberg Businessweek, New York City's most recent adult smoking rate is…

A:

Q: The mean amount of money last year spent by customers at the Texas Roadhouse in Cedar Falls, Iowa…

A: Given : The mean amount of money last year spent by customers at the Texas Roadhouse in Cedar Falls,…

Q: In another Harris poll, adults were asked if they are in favor of abolishing the penny. Among 200…

A: From the given information,                        Sample size (n) =200 Probability of success…

Q: For the following hypothesis test, determine the null and alternative hypotheses. Also, classify the…

A:

Q: A sample of 2010 adults were asked in 1990 whether they smoked (yes or no). This same sample was…

A: The appropriate test is chi-square test. Decision Rule: If test statistic is larger than critical…

Q: Suppose 206 subjects are treated with a drug that is used to treat pain and 50 of them developed…

A: We have given that  Sample size n=206 , favorable cases x=50 Sample proportion p^= x/ n level of…

Q: criminologist was interested in whether there was any disparity in sentencing based on the race of…

A: Black White Mean 6 4.8 Variance 3.25 6.1778 Observations 9 10

Q: 13) Clark Barr makes a claim that 10% of all students who take statistics drop out. Rosetta Stone…

A: 1) Claim:- 10% of students who take statistics are dropping out.

Q: The mother of a teenager has heard a claim that 25% of teenagers who drive and use a cell phone…

A:

Q: In a survey conducted by a website, employers were asked if they had ever sent an employee home…

A: Given,   The sample proportion is,

Q: real estate company claims that 44% of all home buyers find their real estate agent through a…

A:

Q: Suppose 224 subjects are treated with a drug that is used to treat pain and 53 of them developed…

A: The objective of this question is to test a claim about a population proportion using a sample…

Q: Suppose you want to test the claim that a population mean equals 38.  State the null hypothesis.

A: Given that, Claim: population mean equals 38.

Q: how should a decision that fails to reject the null hypothesis be​ interpreted?

A: The dean of a major university claims that the mean number of hours students study at her…

Q: Suppose 240 subjects are treated with a drug that is used to treat pain and 55 of them developed…

A: Suppose p is the true proportion of users who developed nausea.

Q: A marketing manager for a phone company claims that 55% of children ages 8-12 have their own cell…

A: Hypothesis testing

Q: 1. What is the difference between a Two Sample Hypothesis Test for Independent Samples and a Two…

A: Approach to solving the question: answer the given question.If you have any clarifications, feel…

Q: Select the most appropriate response. If a null hypothesis is rejected at a 1% significance level,…

A: According to the given information

Q: 2. In a study of pregnant women and their ability to correctly predict the sex of their baby, 59 of…

A:

Q: In a recent Gallup poll of 511 adults, 64% said that they were in favor of death penalty for a…

A: GivenSample size(n)=511sample proportion(p^)=0.64Assume population proportion(p)=0.5α=0.01Claim is…

Q: The average student loan debt is reported to be $25,235. A student belives that the student loan…

A:

Q: Consider a drug testing company that provides a test for marijuana usage. Among 250 tested subjects,…

A: Given, among 250 tested subjects, results from 28 subjects were wrong. i.e. n=250 and X=28…

Q: Past studies have indicated that the percentage of smokers was estimated to be about 30%. Given the…

A: The population proportion of smokers is denoted by p. The claim is “The percentage of smokers has…

Q: 1. A marketing manager for a cell phone company claims that more than 35% of children aged 10 – 11…

A: Solution : Given : P = 0.35             n = 5000             x  = 1805             α = 0.01 a.…