which of the following is the p-value calculated in the hypothesis test for the accuracy of the proposed opinion?

Q: You are a research assistant at a zoo. The question of your study is "Has the proportion of baby…

A: Given data: Significance level = 0.05 Claim :  Has the proportion of baby zebras born in zoos…

Q: onsider a drug testing company that provides a test for marijuana usage. Among 344 tested​…

A: The provided information is  n=344x=26α=0.01p^=xn=26344=0.075 a. The null and alternative hypothesis…

Q: Assume that matched pairs of data from a poll of Internet users who were asked if they make travel…

A: +ve sign = 308-ve sign = 421ties = 30Total = 308+421+30        = 759significance level  0.05

Q: A graduate student believes that people consider faces with more contrast between eye color and skin…

A: Explanation for the first part: Given a null hypothesis H0, we either conclude that there is not…

Q: erform a 1-sample test for the median being 13 with the following data at the α = 0.05 threshold and…

A: The objective is to test whether the sample median is equal to the hypothesized median 13.

Q: Pairs of P-values and significance levels, a, are given. For each pair, state whether the observed…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted. We…

Q: An online poll asked " do you believe the Loch Ness monster exist?" Among 22,306 responses, 68% were…

A: From the provided information, Sample size (n) = 22306 Sample proportion (p̂) = 0.68 Level of…

Q: Pairs of P-values and significance levels, a, are given. For each pair, state whether the observed…

A: Note:- "Since you have posted a question with multiple subparts, we will provide the solution only…

Q: The percentage of physicians who are women is 32.4%.  In a survey of physicians employed by a large…

A: This problem can be solved by using test of significance for single proportion. In usual notations,…

Q: Assume that matched pairs of data from a poll of Internet users who were asked if they make travel…

A: Assume that matched pairs of data from a poll of Internet users who were asked if they make travel…

Q: The Survey of Study Habits and Attitudes (SSHA) is a psychological test designed to measure various…

A:

Q: The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that…

A: From the provided information, Sample size (n) = 54 Out of which 35 involved an intoxicated driver.…

Q: A result is significant at the 0.01 level. Explain why it must also be significant at the 0.05…

A: 1.   It is needed to elaborate the relation of P-value with level of significance.

Q: A random selection of 625 students from Karabük University Faculty of Business Administration was…

A:

Q: Determine the type of hypothesis test for the following problem: Many people believe that criminals…

A: Given that  Many people believe that criminals who plead guilty tend to get lighter sentences than…

Q: What is the observed value of the test statistic for the appropriate hypothesis test? Give answer to…

A: Let p1 and p2 be the two population proportions of homes with asbestos in Kingston and the…

Q: Consider a drug testing company that provides a test for marijuana usage. Among 298 tested subjects,…

A: Given, The sample proportion is,

Q: You work at Happy Joe's family restaurant and want to see if customer meal satisfaction and gender…

A: α=0.05

Q: ing the normal approximation for the binomial distribution (without the continuity correction), was…

A:

Q: In a Gallup poll of 514 HR professionals, 45.9% said that body piercings and tattoos were big…

A: given, sample size (n) = 514 sample proportion (p^) = 45.9%  =  0.459 true proportion (p) = 50%  =…

Q: Consider a drug testing company that provides a test for marijuana usage. Among 324 tested​…

A: Given that  Sample size=324 Number of subjects wrong (X)=26 Population proportion=0.10 Significance…

Q: When a sign test is applied to some data it is found that there are 20 values lying below the…

A: Number of positive signs(x+)=5Number of positive signs(x-)=20Number of ties=0Total number of…

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

A:

Q: A survey of 1200 TV households showed that 53.5% of them had at least one stand-alone streaming…

A: Let p be the population proportion  p=majority=1/2=0.50=50%, n=1200, p^=sample…

Q: In 2010, shortly before a country's midterm elections, people in that country were dissatisfied with…

A: P=0.57 P-cap=0.61 n=1067

Q: ative signs, and 29 ties when the value of the second variable is subtracted from the corresponding…

A: Given: There are 317 positive results from the matched pairs of data from a survey of internet users…

Q: Assume that matched pairs of data from a poll of Internet users who were asked if they make travel…

A: The objective is to test the null hypothesis of no difference by using sign test at 0.05 level of…

Q: After conducting a study to determine the gender of characters which appear most on cereal boxes,…

A: The objective of this question is to test the manager's belief that male characters appear more…

Q: You are a research assistant at a zoo.  The question of your study is "Has the proportion of baby…

A:

Q: Random samples of 110 homes in Kingston, Ontario (₁) and 100 homes in Owen Sound, Ontario (1₂) were…

A: sample size of homes in kingston(n1)=110sample size of homes in Owen sound(n2)=100presence of…

Q: The percentage rates of home ownership for 8 randomly selected states are: 66, 75.8, 70.9, 73.9,…

A: Given data is66,75.8,70.9,73.9,63.4,68.5,73.3,65.9sample size(n)=8

Q: According to a survey by the Consumer Reports National Research Center of 1003 adults, 542 adults…

A: To test the claim that more than 50% of the adults are annoyed by food that does not look or taste…

Q: Pairs of P-values and significance levels, a, are given. For each pair, state whether you would…

A:

Q: It is believed that from among senior high school students, 15% would like to pursue engineering…

A: It is believed that from among senior high school students, 15% would like to pursue engineering…

Q: Sample Question Female Physicians The percentage of physicians who are women is 27.9%. In a survey…

A: Given : Population proportion = p = 0.279 Number of physicians selected = 44 total number of…

Q: Show the difference between two approaches to significance testing?

A: The two approaches to significance testing are p-value approach and critical value approach.

Q: Suppose the decision rule is "Reject Ho if the mean score of the sampled BP graduates is greater…

A: Hypothesis testing : Hypothesis testing is a type of statistical inference that uses sample data to…

Q: When she was 14 years of age, Emily Rosa did a science fair experiment in which she tested…

A: It is given that among 244 trials, the touch therapists were correct 113 times.

Q: Arandom sample of 820 births included 431 boys. Use a 0.05 significance level to test the claim that…

A: We have to find correct answer..

Q: A teacher wants to know if more than 15% of her students use online resources to complete their…

A: Hypothesis  Ho: p=0.4 vs H1: p>0.4 pcap=0.15 n=40  We use z statistic for this test

Q: Supposed you have a standard deck of 52 playing cards and you randomly select 1 card and record…

A: Here we have to use Binomial distribution.  Binomial distribution :  Properties of Binomial…

Q: Suppose 219 subjects are treated with a drug that is used to treat pain and 55 of them developed…

A: It is given asPopulation proportion, p = 20% = 0.20Favourable cases, x = 55Sample size, n =…