An executive believes that no more than 80% of the company’s employees take all of their vacation days. In a sample of 210 members, 160 employees took all of their vacation days. Therefore, the test statistic is -1.38. When testing the executive's (using a 1% level of significance), what is the p-value? (please round your answer to 4 decimal places)

Q: A random sample of 105 students of University A showed that 12 were in favour of a new grading…

A: Given: Sample size (n1)=105Sample size (n2)=108x1=12x2=18α=0.01

Q: find the test value used to test the claim that the proportion of jellyfish stings at jones beach is…

A: Given, Sample size = 696 Sample proportion = 0.30   The null and alternative hypothesis is:

Q: A software company is interested in improving customer satisfaction rate from the 69% currently…

A: Given Hypothesized pop. proportion, p0=0.69Favorable cases,x=146Sample size,n=193Sample…

Q: Use the p-value you found to answer the following: Does this provide evidence that the risk of…

A: Step 1: Null and Alternative Hypothesis Claim : Some people believe that an increase in the…

Q: given as + Choose th

A: The margin of error is the amount of random sampling error in the results of a survey. The larger…

Q: In 2011, a U.S. Census report determined that 65% of college students are working students. A…

A: 1. Determine the test statisticz = -0.58 2. Find the p-valueP-value = 0.5615 Explanation:Step 1:…

Q: A software company is interested in improving customer satisfaction rate from the 60% currently…

A:

Q: Suppose that 75% of college students prefer pepperoni on their pizzas. You took a sample of ?=150 at…

A:

Q: A teacher claims that over 11% of maths students are married. In the survey at the beginning of…

A: Answer: From the given data, Population proportion (P) = 11% = 0.11 Sample size (n) = 50 Sample…

Q: A reporter has claimed that the majority of Colleges in the United States are Private For-Profit…

A:

Q: students typically walk to school. DeAnna thinks that the proportion is higher than 0.13 at her…

A: Given that  Sample size n =100 Favorable cases x =17 Sample proportion p^=x/n  =17/100 =0.17

Q: Compute the test statistic. Round to two decimal places.

A: Sample size, n=2027 No. of adults who drank diet soda, x=485

Q: The table below summarizes the  results of a survey in which randomly selected people were asked how…

A: It is needed to test, whether the feelings on medical marijuana and gender are independent or not.

Q: In a recent year, a poll asked 71 random adult citizens of a large country how they rated economic…

A:

Q: A teacher claims that over 15% of maths students are married, in the survey at the beginning of…

A: Answer: From the given data, Claim: A teacher claims that over 15% of maths students are married…

Q: A law enforcement agent believes that 80% of the drivers stopped on Saturday nights for speeding are…

A: The hypothesized proportion is 0.80.

Q: The Statistics Games are played by a large number of students across the county. Last year, 32% of…

A:

Q: A law enforcement agent believes that 80% of the drivers stopped on Saturday nights for speeding are…

A: The hypothesized proportion is 0.80.

Q: In a CBS poll of 1289 adults, nationwide, asking whether they favor or oppose teacher and school…

A:

Q: The Congressional Budget Office reports that 36% of federal civilian employees have a bachelor's…

A: Given : Mean = μ = 0.36  Level of significance = 0.05 p^ = xn    = 31118    = 0.2627

Q: Twenty years ago, 55% of parents of children in high school felt it was a serious problem that high…

A: Given n=700 P0=0.55

Q: An analysis was conducted to determine whether the average height of the 25 girls in the same class…

A: Here Avg height of 25 girls in the Same class is difference from population mean is checked Here…

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: Denote p1, p2 as the true population proportions of men and women who own cats, respectively.

Q: A software company is interested in improving customer satisfaction rate from the 70% currently…

A: Given-                       Hypothesized Population proportion (p0) = 70% = 0.70…

Q: reporter has claimed that the majority of Colleges in the United States are Private For-Profit…

A:

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

A: Z-Test:  Here the hypothesis test is for the population proportion. The test statistics compared…

Q: Twenty years ago, 54% of parents of children in high school felt it was a serious problem that high…

A: From the provided information, Sample size (n) =750 and p0 = 0.54

Q: You are testing the daim that the proportion of men who own cats is larger than the proportion of…

A:

Q: A survey of 1195 CEOS finds that 717 believe the economy will improve next year. We are trying to…

A: We have given that,  Population proportion (p)= 66% = 0.66 and favorable cases (X) = 717 , sample…

Q: A cybersecurity team would like to detect the malwares in the software. They detect more than 42.5%…

A:

Q: A software company is interested in improving customer satisfaction rate from the 66% currently…

A: From the provided information, A software company is interested in improving customer satisfaction…

Q: Twenty years ago, 52% of parents of children in high school felt it was a serious problem that high…

A:

Q: Twenty years ago, 47% of parents of children in high school felt it was a serious problem that high…

A: Given that: n = 900 X = 293 P = 47%  By using proportion test to solve this problem

Q: Twenty years ago, 53% of parents of children in high school felt it was a serious problem that high…

A:

Q: The percent of the population that is left-handed has historically been 10%. In a random sample of…

A: Solution: State the hypotheses Null hypothesis: That is, the per cent of the population that is…