survey by Men's Health magazine stated that 14% of men said they used exercise to reduce stress. A random sample of 100 men found that 9 use exercise to relieve stress. At α=0.10, is there sufficient evidence to conclude that the proportion is less than 14%? Use the P-value method by answering the following questions. State the null hypothesis. Answer 1 State the alternative hypothesis. Answer 2 What is the test value? Answer 3 Find the P-value. Answer 4 Is there sufficient evidence to support that the proportion is less than 14%?

Q: The percentage of physicians who are women is 32%. In a survey of physicians employed by a large…

A: a. Consider that p is the true proportion of women physicians at the university health system.

Q: A p-value of 0.02 means that you must: a. Reject the null hypothesis b. Accept the null hypothesis…

A: Given problem Given that   A p-value of 0.02 means that you must : Ans) Option d Recode your…

Q: A news article that you read stated that 58% of voters prefer the Democratic candidate. You think…

A: Solution: Given data: p= .58 x= 150 n =30 Level of significance = 0.05 To Test the claim:   58% of…

Q: A coach believes that her volleyball team is more athletic than the average volleyball team in…

A: Solution:  μo= 100  Population mean of  volleyball team in America

Q: You do a hypothesis test of H0: μ = 5 vs Ha: μ ≠ 5 at significance level 0.05.   You collect a…

A: Solution : H0 : μ = 5 vs Ha: μ ≠ 5 significance level = 0.05 test statistic, z = 2.10  p value =…

Q: Only about 16% of all people can wiggle their ears. Is this percent different for millionaires? Of…

A: From the provided information, Population proportion (p) = 0.16 Sample size (n) = 335 Out of which…

Q: A publisher reports that 41% of their readers own a particular make of car. A marketing executive…

A: Sample size=240Sample proportion=0.35

Q: According to a survey conducted by the Association for Dressing and Sauces, 85% of American adults…

A: H1  = Alternative hypothesis

Q: Conduct the proper test to determine whether a cold medicine improves symptoms (lower scores…

A: Given data: Placebo Medicine 7 5 8 8 6 3 9 6 11 10 10 4 6 7 9 4

Q: Can you conclude that either is ahead? Use α= 0.10. Use α = 0.05. What is the p-value of this test?

A: here , Senator Able is in a very close race with challenger Baker here  n = 500 x1 = no of voter…

Q: Freshman tend to drop Statistics courses during the first week of the semester because the course…

A: From the provided information, Sample size (n) = 60 Out of which 28 actually dropped the courses.…

Q: A researcher administers a treatment to a sample of participants selected from a population with µ =…

A: A researcher administers a treatment to a sample of participants selected from a population with µ =…

Q: You conducted a one-sample z-test, obtaining a value of 1.90 for the observed z value. What is your…

A: It is given that the z-test statistic is 1.90.

Q: In a test of hypothesis, the null hypothesis is that the population proportion is equal to 0.68, and…

A: From the provided information,

Q: Only about 16% of all people can wiggle their ears. Is this percent lower for millionaires? Of the…

A: Given information- Population proportion, p = 0.16 Sample size, n = 357 Significance level, α = 0.01…

Q: Typical values for alpha generally range from 1% to 10% for hypothesis testing. Select one: O True O…

A: Alpha represents significance level

Q: r > ≠ =  ≠ =   (Please enter a decimal) The test statistic ? z t  =  (please show your answer to 3…

A: Let X be the number of millionaires who could wiggle their ears. Of the 380 millionaires surveyed,…

Q: A random sample contains 30 observations. Determine the p-value for each value of the calculated…

A: State the hypotheses. That is, the population mean equals 38. That is, the population mean does…

Q: 19% of all college students volunteer their time. Is the percentage of college students who are…

A: a) Checking the conditions for normal approximation: Normal approximation can be used when np>5…

Q: In a previous year, 61% of females aged 15 and older lived alone. A sociologist tests whether this…

A: np(1-p)= 400×0.6×0.4=96>10  Hence, the sample size is under 5%op population size and consider as…

Q: Find the​ P-value that corresponds to the given standard​ score, and determine whether to reject the…

A:

Q: In a random survey of 500 doctors that practice specialized medicine, 125 felt that the government…

A: Given  X1=125, n1=500, n2=800, X2=240 alpha=0.10 We want to test the hypothesis for difference in…

Q: Students in a high school statistics class are investigating the proportion of times a Hershey's…

A: We have to find correct conclusion from available options.

Q: The table below shows results from a recent General Social Survey on two variables, respondent sex…

A: Null hypothesis: Null hypothesis is the statement about parameter of population. Alternative…

Q: A medical researcher claims that the proportion of people taking a certain medication that develop…

A: Given a hypothesis test to check the proportion of people taking a certain medication that develops…

Q: A researcher claims that the proportion of bacteria that remain after a treatment is more than 15%.…

A: Test hypothesis:Denote the population proportion of bacteria that remains after a treatment as P.The…

Q: Which of the following is true?

A: test statistics=Z= 2.69 hypothesis test H: p = 0.80  H: p > 0.80

Q: A local restaurant claims that the waiting time for its patrons to be served is the lowest in the…

A:

Q: The claim is that smokers have a mean cotinine level greater than the level of 2.84 ng/mL found for…

A: It is given that, The sample size is 768 The test statistic is t = 52.829 We have to write the…

Q: Use the given information to find the P-value. Also, use a 0.05 significance level and state…

A: Solution: State the hypotheses. Null hypothesis: H0: p=0.377 Alternative hypothesis: H1:p≠0.377…

Q: A survey claims that 8 out of 10 customers recommend Western Drugs for pharmacy issues. To test this…

A: Given a survey claims that 8 out of 10 customers recommend Western Drugs for pharmacy issues. To…

Q: USA Today reported that about 47% of the general consumer population in the United States is loyal…

A:

Q: 12% of all Americans suffer from sleep apnea. A researcher suspects that a lower percentage of those…

A: I have solved b, c, d , other parts are already solved and correct.

Q: 1.Distinguish p-value from alpha.  2. Which of the following alpha values provides the strongest…

A: 1)   If p-value is less than alpha(i.e 0.05) we reject the null Hypothesis and If p-value is greater…

Q: The P-value for a hypothesis test is 0.06. For each of the fol-lowing significance levels, decide…

A: Decision rule:

Q: Find the P-value that corresponds to the given standard score, and determine whether to reject the…

A: The given values are:Standard score (z) = 2.6Significance level (α) = 0.05Null hypothesis (H0): μ =…

Q: Identify the type I error and the type II error that corresponds to the given hypothesis.   The…

A: Here type 1 error is :- the proportion of people who write with their left hand is equal to 0.26 but…

Q: For your study on the food consumption of teenage males, you randomly selected 20 males and ask each…

A: From the provided information,The data values are as follow:3.3, 4.1, 3.5, 2.7, 3.4, 3.3, 4.8, 3.4,…

Q: Identify the type I error and the type II error that corresponds to the given hypothesis. The…

A: For each hypothesis test, there exist two errors. The error that occurred is based on the null…