In a sample of 295 male job-holders, 69% said that they are satisfied with their jobs. In another sample of 128 female job-holders, 58% said that they are satisfied with their jobs. The null hypothesis is that the proportions of all female and all male job-holders who are satisfied with their jobs are equal. The alternative hypothesis is that the proportion of all female job-holders who are satisfied with their jobs is greater than the proportion of all male job-holders who are satisfied with their jobs. The significance level is 2%. What is the approximate p-value for this test?   b. 0.0000 d. 0.0595 e. 0.0159 c. 0.0143 a. 0.0006

Q: teacher wanted to determine whether there was a significant difference in the mean daily hours of…

A:

Q: Researchers wondered if there was a difference between males and females in regard to some common…

A: Given Data n1 = 522 x1 = 202 n2 = 505 x2 = 171

Q: A research group conducted an extensive survey of 3147 wage and salaried workers on issues ranging…

A:

Q: A research study wanted to examine whether religious belief and gender are related in their state.…

A: There are two categorical variables which are gender and belief. We have to test whether gender and…

Q: A research group conducted an extensive survey of 3052 wage and salaried workers on issues ranging…

A: Find z-critical value:…

Q: Researchers wondered if there was a difference between males and females in regard to some common…

A: Given that 182 males responded 'yes' among the 538 males and 209 females responded 'yes' among the…

Q: ith short-game shots, 99 need the most help with approach and swing, 42 need the most help with…

A: Given: H0: p1=0.65, p2=0.22, p3=0.09, p4=0.04 Ha: At least one proportion is not the same. The…

Q: In 2001, the polls found that 81% of American adults believed that there was a conspiracy in the…

A: The question is about hypothesis testing.Given :Population proportion of adults who believed that…

Q: A research study was conducted about gender differences in sexting, the sending of sexually explicit…

A: Given Girls x1=156n1=2169   Boys x2=183n2=2231   α=0.05

Q: 6) Goofy is running for Mayor of Duckburg.  He asks  1250 ducks in Duckburg if they will vote for…

A: 6) The given sample of 1250 ducks in which 276 said that they will vote for him and a sample sample…

Q: Suppose Marcella wants to compare music listening time among college students on weekdays versus…

A: The t-test is one of the most use full statistical tests in statistical inference. Most of the small…

Q: Use the Plan, Solve and Conclude steps in answering this question

A:

Q: A research group conducted an extensive survey of 3052 wage and salaried workers on issues ranging…

A: n=3052x=1456p=p0.48Margin of error(E)=2.2%=0.022confidence level=95%

Q: ents, the proportion p who say they're interested in their congressional district's election results…

A: Answer  X =196 n =270 alpha =0.01 This is one -tailed test [or] Right -tailed test.

Q: Phineas Phillips, from Philadelphia, has a fascination with fun phone facts. But Phineas has…

A:

Q: In a survey of working parents (both parents working), one of the questions asked was "Have you…

A: From the provided information,

Q: A consumer agency wants to determine whether there is a major difference between the proportions of…

A: Introduction: Denote p1, p2 as the true population proportions of cars of model and model 2,…

Q: A politician believes that 60% of constituents are in favor of a particular issue. She takes a…

A: Null hypothesis:A statistical hypothesis which is assumed and whose validity is tested for possible…

Q: Elementary and high school teachers were surveyed and were asked if they felt rewarded and satisfied…

A: Given Information: Elementary school teachers: Sample size (n1) = 350 x1 = 142 were satisfied with…

Q: A research group conducted an extensive survey of 3056 wage and salaried workers on issues ranging…

A: From the given information, the confidence level is 95%. The margin of error is 1.5% or 0.015. From…

Q: SAccording to Inc.com, 79% of job seekers used social media in their job search in 2018. Many…

A:

Q: A research group conducted an extensive survey of 2817 wage and salaried workers on issues ranging…

A: n=2817x=1585

Q: A research group conducted an extensive survey of 3165 wage and salaried workers on issues ranging…

A:

Q: In a National Institute on Alcohol Abuse and Alcoholism survey, 33% of American adults said that…

A: Given: n= 2300 ,x= 805 p= 0.33 ,significance level(∝)= 95.0 p̂= 805 / 2300 =define hypothesis;-

Q: People who experience online harassment either ignore it or respond via postings or involving…

A:

Q: A research study was conducted about gender differences in "sexting." The researcher believed that…

A: From the provided information,

Q: In a survey of working parents (both parents working), one of the questions asked was "Have you…

A: From the provided information,

Q: A hypothesis test is conducted to determine whether the percentage of US adults that think marijuana…

A: Given,n=400x=144p^=xnp^=144400=0.36

Q: After a product recall, a company solicits feedback from a random sample of 100 customers regarding…

A: The chi-square test statistic is χ2=7.77 and the P-value is between 0.02 and 0.025.

Q: hoyed by people who repeatedly check their mobile phones while having an in-person conversation?"…

A:

Q: A researcher claims that the percentage of voters that favor voting via absentee ballot is 35%.…

A: It is given that the researcher claims that the percentage of voters that favor voting via absentee…

Q: Among students at a nearby college, the proportion who say they're interested in their congressional…

A: Givenn=205x=128p^=xn=128205=0.624α=0.05

Q: A survey reported that 77% of registered voters in California approved of allowing two people of the…

A: given data  event A: approved of gay marriage event B : age between 18 and 39 years P(A) = 0.77 P(B)…

Q: In a random sample of 40 patients undergoing a standard surgical procedure, 14 needed pain…

A: Now use the Z-score for a 95% confidence level, which is approximately 1.96:CI = (p1 - p2) ± Z *…

Q: Many fundraisers ask for donations using email and text messages. A paper describes an experiment to…

A: Let p1 be the proportion who make a donation after receiving an email, and p2 be the proportion who…

Q: According to a guide, 46% of cell phone users have only one cell number, 35% have two numbers, 15%…

A: Solution:- from given information claim: if the data from the independent survey contradict the…

Q: A telephone service representative believes that the proportion of customers completely satisfied…

A: The objective of this question is to find the standard error for the difference in two proportions.…

Q: In a survey of working parents (both parents working), one of the questions asked was "Have you…

A:

Q: 4. In a survey of families in which both parents work, one of the questions asked was, “Have you…

A: Solution: 4. Let p1 be the proportion of men has refused a job, promotion, or transfer and p2 be the…

Q: Among college students, the proportion p who say they’re interested in their congressional…

A: From the provided information, Sample size (n) = 250 From which 180 students say they’re interested…