(b) Assume 90 companies were included in the sample. What is the test statistic? (Round your answer to three decimal places.) x What is the p-value for your hypothesis test? (Round your answer to four decimal places.) p-value=

Q: 3.27 Response rate. A survey designed to assess satisfaction with food items sold at a college's…

A: “Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: What is the p-value for this sample? p-value = 0.2637× (Report answer accurate to 4 decimal places.)

A: The degrees of freedom is, df=n-1=98-1=97c is The degrees of freedom is 97. The test statistic is…

Q: You may need to use the appropriate technology to answer this question. A factorial experiment…

A: The data shows the two levels of factor A and three levels of factor B.

Q: You are conducting a test of homogeneity for the claim that two different populations have the same…

A: It is needed to perform a test of homogeneity for the claim that two different populations have the…

Q: Your school newspaper reported that the percentage of students majoring in business (p) is at most…

A:

Q: Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1190 adults, 84% said that…

A: It is of interest to test the claim that fewer than 93% of adults have a cell phone.

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Given,   Sample size = 562 Sample proportion = 0.58   The null and alternative hypothesis is:

Q: A grocery store manager wants to know if displaying cranberries near the entrance to the store…

A: P1 : Proportion of shoppers who buy Cranberries when they are near the store entrance. P2 :…

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: Given: n=582 and p=58%=0.58. From the given information,H0:p=0.5H1:p>0.5

Q: Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1093 adults, 86% said that…

A: p=95% , n=1093, p^=86%

Q: An airline company is interested in improving customer satisfaction rate from the 74% currently…

A:

Q: Claim: Fewer than 91% of adults have a cell phone. In a reputable poll of 1101 adults, 81% said that…

A: We can use the null hypothesis that the true proportion of adults who have a cell phone is equal to…

Q: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1082 adults, 85% said that…

A: Given  n=1082, pcap=85%=0.85, p=94%=0.94 Ho:p=0.94 vs H1: p<0.94

Q: 32% of employees judge their peers by the cleanliness of their workspaces. You randomly select 8…

A: A binomial distribution is used when an experiment has two possible outcomes, such as success and…

Q: The director of research and development testing and new drugs she wants to know if there's evidence…

A: Test statistic:Denote μ as the claimed mean; μ = 384. In a random sample of n = 79, the sample mean…

Q: Claim: Fewer than 94% of adults have a cell phone, In a reputable poll of 1244 adults, 85% said that…

A: Given data: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1244 adults,…

Q: The accompanying table describes results from groups of 10 births from 10 different sets of parents.…

A: Given, X P(x) 0 0.001 1 0.015 2 0.043 3 0.116 4 0.197 5 0.235 6 0.199 7 0.114 8…

Q: Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value.…

A: Answer:-

Q: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1051 adults, 88% said that…

A: The random variable X follows binomial distribution. The population proportion is 0.94. We have to…

Q: Claim: Fewer than 97​% of adults have a cell phone. In a reputable poll of 1115 adults, 92​% said…

A: Given,n=1115p^=0.92claim:  Fewer than 97​% of adults have a cell phone.

Q: e null and altermative hypothesis would be: • Ho:p 0.7 H:p 0.7 O Ho:p2 0.7 H:p 0.7

A: The null and alternative hypotheses are: Ho: p = 0.70Ho:p=0.70 Ha: p =\not 0.70Ha:p≠​0.70 This…

Q: Claim: Fewer than 92% of adults have a cell phone. In a reputable poll of 1175 adults, 83% said that…

A:

Q: Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1227 adults, 89% said that…

A: Answer - Claim: Fewer than 96% of adults have a cell phone. i.e  p = 0.96               In a…

Q: Claim: Fewer than 95% of adults have a cell phone. In a reputable poll of 1189 adults, 86% said that…

A:

Q: Nicotine Absent Nicotine PresentSelf-Reported Non Smoker 82…

A: First let's put the given data in a contingency table as shown ;

Q: Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1132 adults, 86% said that…

A: Solution-: Given: n=295,P0=96%=0.96, p^=86%=0.86 We want to find test statistic=?

Q: ​Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1135 adults, 86​% said…

A:

Q: The value of the test statistic is Round to two decimal places as needed.)

A: Let P be the population proportion of adults have cell phone P=96% = 0.96  Sample of size n= 1186…

Q: A random sample of 222 college freshman found that 123 bought most of their textbooks from the…

A: Claim: The proportion of all freshmen that purchase most of their textbooks from the college…

Q: Interpret the p- value for a right - tailed test.  Answer choices : Area captured between 2 test…

A: Interpretation of p value for a right tailed test

Q: What is the value of the sample test statistic? (Round your answer to two decimal places.) (c) Find…

A: Answer:----.                 Date:----2/10/2021

Q: Claim: Fewer than 94% of adults have a cell phone. In a reputable poll of 1173 adults, 88% said that…

A: Answer: From the given data, Claim: Fewer than 94% of adults have a cell phone Population proportion…

Q: Would it be unusual to find a pair of samples in which the proportion of males who are left-handed…

A: Consider that n1 and n2 are defined as the sample sizes for males and females, respectively.

Q: Assume that you plan to use a significance level of a = 0.05 to test the claim that p, =p2. Use the…

A: Part (1) (1) Null and Alternative Hypotheses Null Hypotheses H0: p1=p2 Alternative Hypotheses H1:…

Q: When flipping a coin, it is equally likely to either land on "Heads" or on "Tails". A coin will be…

A:

Q: Claim: Fewer than 97​% of adults have a cell phone. In a reputable poll of 1077 ​adults, 87​% said…

A: State the hypotheses.

Q: Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1234 adults, 83% said that…

A: Sample size , n = 1234 p = 93%  = 0.93 p^ = 83% = 0.83

Q: A data set includes data from student evaluations of courses. The summary statistics are n= 89,…

A: Given : mean = X = 3.65 standard deviation = S= 0.62 sample size = n = 89 Level of significance =…

Q: Claim: Most adults would erase all of their personal information online if they could. Asoftware…

A: In this scenario, It is appropriate to use one prop Z test. Null and alternative hypotheses: Let p…

Q: Claim: Fewer than 96% of adults have a cell phone. In a reputable poll of 1076 adults, 89% said that…

A:

Q: H 0 : p = 0.6 H 1 : p ≠ 0.6 Your sample consists of 125 subjects, with 72 successes. Calculate the…

A: Solution: State the hypotheses Null hypothesis: Alternative hypothesis:

Q: Identify the test statistic. t3D (Round to three decimal places as needed.) Identify the P-value.…

A: From the given sample data : n=6 , ƩX=4350 ,  ƩX2=3386886 The sample size is , n=6 The sample mean…

Q: t the 1980s, it was generally believed that congenital abnormalities affected about 7% of a large…

A: given data, p=0.07claim:p>0.07x=34n=426p^=xn=34426=0.0798