he business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home. If the proportion differs from 25%, then the lab will modify a proposed enlargement of its facilities. Suppose a hypothesis test is conducted and the test statistic is 2.4. Find the P-value for a two-tailed test of hypothesis. Select one: A. 0.0164 B. None of the other answers C. 0.4836 D. 0.0082 E. 0.4918

Q: We would like to know if more than 43% of Spokane citizens favor an increase in the sales tax. We…

A: Given, The sample proportion is,

Q: Does this provide evidence that the proportion of UCD students who are left-handed differs from the…

A: Given : n=240 , X=30 , p0=0.10 , α=0.05 Here , we want to test the claim that the proportion of UCD…

Q: If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will you make…

A:

Q: The Bangor Humane Society tracks cat adoptions closely, and in the past has seen 60% of people who…

A: Here we have to test that, due to social distancing, the percentage of people's decreases who…

Q: If a hypothesis is not rejected at the 5% level of significance, it will ______. Select one: A.…

A: According to the given information  If the p value is less than or equal to the level of…

Q: A newsletter publisher believes that 25%of their readers own a personal computer. Is there…

A: Given that  A newsletter publisher believes that 25%of their readers own a personal computer. Level…

Q: According to Money, 13 percent of all households own stocks. An economist wants to test this claim…

A:

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

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Perform the following hypothesis test of a proportion: HO: p = 0.125 HA: p 0.125 The sample…

A:

Q: news article that you read stated that 55% of voters prefer the Democratic candidate. You think that…

A: We have given that  Sample size n =207 Favorable cases x =116 Sample proportion p^=x/n  =116/207…

Q: 1970, 570 students among 1000 randomly selected college freshmen thought that capital punishment…

A: Given that  Sample size n1=1000 , n2=1000 Favorable cases x1=570 , x2=480

Q: James is a school psychologist who wants to implement stress coping skills to help his students. His…

A: Here the direction of the test is to the left.

Q: A poll of 1350 adults in the United States asked how much confidence they had in banks. A total of…

A: NOTE: As per the guidelines, only first three subparts have been solved here Given information: A…

Q: A quality engineer is asked to determine whether less than 2% of all flasks received by its company…

A:

Q: In a survey, 32% of the respondents stated that they talk to their pets on the telephone. A…

A: Givenn=200x=60p^=xn=60200=0.3H0:P=0.32H1:P<0.32α=0.05

Q: A magazine conducted a survey concerning a decision on a new school bond. They wanted to see if the…

A: Test claim : The majority plan to vote for the bond i.e p > 0.5 Hypothesis : H0 : p = 0.5 H1 : p…

Q: Find the confidence interval for a One-Sample t-test (Ch.9), given the following info: M = 12.4, n…

A: Obtain the 95% confidence interval for the population mean.   The 95% confidence interval for the…

Q: An environmentalist wishes to conduct a hypothesis test on the percentage of cars driven in the city…

A: Sample size(n)=143 Population proportion(P)=0.04 q=1-p q=1-0.04=0.96

Q: A political scientist claims that 38% of first-year college students characterize themselves as…

A: Hypothesis  Ho: p=0.38 vs H1: p≠0.38  X=225, n=500  p^=x/n

Q: According to the most recent General Social Survey, 70% of adults watch TV nightly. A researcher…

A:

Q: Suppose in a two-sided test of hypothesis for proportions, the compluted value of the z - statistic…

A: Suppose a two-sided test of hypothesis for proportions.Test statistics: z = -0.02

Q: A newsletter publisher believes that over 33% of their readers own a laptop. For marketing purposes,…

A: Given that  Claim: Over 33% of their readers own a laptop.  Decision : Reject the null hypothesis.

Q: Becky's statistics teacher was teaching the class how to perform the z-test for a proportion. Becky…

A: Given that becky flipped coin 30 timesNumber of heads = 18level of significance = 0.05Claim : true…

Q: Researchers in Britain asked some people about their daily coffee intake. Of the 22 people from that…

A: Of the 22 people from that group who had the highest coffee intake, nine of them reported hearing…

Q: If the level of significance for a test for independency was 5% and the p-value was 0.03, what would…

A: Given,   P-value = 0.03 Level of significance = 0.05   The objective is to find the conclusion.

Q: In 2001, the average proportion of the people with a cell phone was 34%. Has that proportion…

A:

Q: A news article that you read stated that 53% of voters prefer the Democratic candidate. You think…

A:

Q: news article that you read stated that 56% of voters prefer the Democratic candidate. You think that…

A: given data, claim:p=0.56x=142n=236p^=xn=142236=0.6017α=0.10

Q: A coin-operated drink machine was designed to discharge a mean of 7 ounces of coffee per cup.…

A:

Q: health provider saw that 48% of their members received their flu shot in recent years. The health…

A: Hypothesis testing plays a major role in research and development. To diagnose the underlying cause…

Q: A medical school claims that more than 28% of its students plan to go into general practice. It is…

A:

Q: Write the null and alternative hypotheses using proper notation? b. What is the value of the test…

A: Given that Sample size n = 500 Sample proportion of market share = 0.125 Level of significance =…

Q: publisher reports that 36% of their readers own a laptop. A marketing executive wants to test the…

A: Given n=320 P=0.36 Alpha=0.01

Q: A company which designs sports shoes has made an improvement to their popular running shoe. They…

A: Given that  Claim : The mean time to run 100 meters for sprinters wearing the new running shoe is…

Q: A recent study at a local college claimed that the porportion, p, of students  who commute more than…

A: Denote p as the true proportion of the students  who commute more than 15 miles to school. The null…

Q: use a hypothesis test to determine if the proportions are statistically different. A recent survey…

A:

Q: According to a University Center for Logistics Management, 8% of all merchandise sold in the United…

A: Givensample size(n)=88No.of items were returned(x)=8The null and alternative hypothesis…

Q: A news article that you read stated that 54% of voters prefer the Democratic candidate. You think…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 4 sub-parts.  In case…