You may need to use the appropriate appendix table or technology to answer this question.Last year, 52% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicates that 40% plan to provide a holiday gift to theiremployees. Suppose the survey results are based on a sample of 80 business owners.(a) How many business owners in the survey plan to provide a holiday gift to their employees this year?32business owners(b) Suppose the business owners in the sample did as they plan. Compute the p-value for a hypothesis test that can be used to determine if the proportion of business ownersproviding holiday gifts has decreased from last year.Find the value of the test statistic. (Round your answer to two decimal places.)2.15Find the p-value. (Round your answer to four decimal places.)p-value = 0.0158(c) Using a 0.05 level of significance, would you conclude that the proportion of business owners providing gifts decreased?O Reject H. There is sufficient evidence to conclude that the proportion of business owners providing holiday gifts has decreased from last year.O Do not reject Ho. There is insufficient evidence to conclude that the proportion of business owners providing holiday gifts has decreased from lastyear.O Do not reject Ho. There is sufficient evidence to conclude that the proportion of business owners providing holiday gifts has decreased from last year.O Reject Ho: There is insufficient evidence to conclude that the proportion of business owners providing holiday gifts has decreased from last year.

Given: Population proportion of business owners gave a gift to employees ,p=0.50 Sample proportion ,…

Answered: (a) How many business owners in the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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How many computers? In a simple random sample of 175 households, the sample mean number of personal computers was 2.94. Assume the population standard deviation is o =0.45. Answer the multiple choice question.
why are we using the number of events=19 for the sample proportion part of the equation, instead of the actual sample proportion=0.19?
Plz explain and solved. Ty
5
Determine whether the sampling is dependent or independent. Indicate whether the response variable is qualitative or quantitative.A psychologist wants to measure the effect of music on memory. He randomly selects 80 students and measures their scores on a memory test conducted in silence. The next day he measures their scores on a similar test conducted while classical music is playing. The mean score without music is compared to the mean score with music. Group of answer choices a.quantitative, dependent b.qualitative, independent c.qualitative, dependent d.quantitative, independent
Proportions On April 15th, 1912, the R.M.S. Titanic sank into the North Atlantic Ocean, resulting in the loss of more than 1,500 passengers and crew. Below is a table which summarizes the total number of passengers and the number of survivors for the crew, first-, second-, and third-class. Find the proportion of survivors by type of service (crew, first, second, third). Test the hypothesis at the 95% confidence level that the proportion of first-class survivors is the same as .50. What do you calculate for the test-statistic? What is the critical statistic? What is the conclusion of your hypothesis test? Class Passengers Survived Crew 885 212 First 325 202 Second 285 118 Third 706 178 Total 2201 710
The mean price of a cup of coffee in Portland, OR is $3.94. The owner of a new coffee house believes that the mean price of coffee is different in their neighborhood. A sample of 8 coffee prices from other local coffee shops in their area are shown below. Price 4.2 2.15 3.35 3.5 2.25 2.4 3.9 3.4 Test the claim that mean price of a cup of coffee is not equal to $3.94 using a 5% level of significance. Assume that the coffee prices are normally distributed. Give answers to at least 2 decimal places. a) Fill in the hypotheses below: H0: H1: b) The p-value is 0.0234. The correct decision is to: The correct summary would be: sufficient, insufficient or not enough evidence to reject the claim
The first pic is the question. Since some tutors have been solving the problems wrong recently (no judgment), I’ve added a sample question to solve problem.
According to a report on consumer fraud and identity theft, 20% of all complaints for a year were for identity theft. In that year, California had 724 complaints of identity theft out of 3466 consumer complaints. Does this data provide enough evidence to show that California had a higher proportion of identity theft than 20%? Test at the 5% level. State the hypotheses. Ho: P ? ✓ Ha: P?V Calculate the test statistic. Round to four decimal places. Ô = Calculate the standardized test statistic. Round to three decimal places. Z= Find the p-value. Round to four decimal places. p-value = State your decision. O Since the p-value is less than .05, reject Ho. O Since the p-value is less than .05, fail to reject Ho. Since the p-value is greater than .05, fail to reject Ho. Since the p-value is greater than .05, reject Ho. Interpret the results. O At the 5% level of significance, there is not enough evidence to show that the proportion of complaints due to identity theft in California is not…
Last year, 46% of business owners gave a holiday gift to their employees. A survey of business owners indicated that 40% plan to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 60 business owners. Suppose the business owners in the sample do as they plan. Compute the p value for a hypothesis test that can be used to determine if the proportion of business owners providing holiday gifts has decreased from last year. If required, round your answer to four decimal places. If your answer is zero, enter “0”. Do not round your intermediate calculations.
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Determine whether the statement describes a descriptive or inferential statistic. 59 % of all students at the local university eat out more than twice a week.

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