O Last year, 43% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicates that 30% planned toprovide a holiday gift to their employees. Suppose the survey results are based on a sample of 70 business owners.a. How many business owners in the survey planned to provide a holiday gift to their employees this year? Round your answer to the nearest whole number.18b. Suppose the business owners in the sample do as they plan. Conduct a hypothesis test that can be used to determine whether the proportion of businessowners providing holiday gifts had decreased from last year.State the hypotheses.Hạ : p>0.43H.P-Select your answer0.43Compute the test statistic and p-value.-value(to 2 decimals)(to 4 decimals)pvalueC. Using a 0.05 level of significance, would you conclude that the proportion of business owners providing gifts decreased?Select your anewer Ho. WeSelect your answer conclude that the proportion of business owners providing gifts has decreased from last year tothis year.What is the smallest level of significance for which you could draw such a conciusion?(to 4 decimals)

Given, In a survey of 70 business owners, 30% planned to provide a holiday gift to their…

Answered: Last year, 43% of business owners gave…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Two samples are randomly selected from a population. One sample has n = 5 and the second has n = 30. Which sample should have a mean (M) that is closer to? Explain your answer.
Who has a higher mean? STEVE: 1.3, 3.1, 4.1, 2.5, 2.2, 2.8 JOE: 5.5, 1.1, 1.2, 2.4, 3.8, 2.0, 1.9 Steve Joe Same mean Cannot be determined
Which of the following is NOT a voluntary response sample? Choose the correct answer below. OA. A survey is taken at a mall by asking passersby if they will fill out the survey. OB. A local dentist asks her patients to fill out a questionnaire and mail it back to determine the quality of the care received during an office visit. OC. A radio station asks for call-in responses to a question concerning city recycling. O D. Quiz scores from a college level statistics course are analyzed to determine student progress.
The average house has 15 paintings on its walls. Is the mean larger for houses owned by teachers? The data show the results of a survey of 16 teachers who were asked how many paintings they have in their houses. Assume that the distribution of the population is normal. 18, 15, 17, 14, 16, 17, 18, 15, 15, 14, 14, 14, 15, 15, 16, 18 What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Но: Select an answer v H1: Select an answer v c. The test statistic ? v = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the population mean is not significantly more than 15 at a = 0.05, so there is sufficient evidence to conclude that the population mean number of paintings that are in…
Suppose a survey of 931 business owners found that 23% bought flood insurance. Which part of the survey represents the descriptive branch of statistics? Make an inference based on the results of the survey. Choose the best statement of the descriptive statistic in the problem. O A. Most business owners do not buy flood insurance. B. There is no association between business owners and buying flood insurance. OC. 931 business owners were surveyed. O D. 23% of business owners in the sample bought flood insurance. Choose the best inference from the given information. OA. 23% of business owners in the sample bought flood insurance. OB. 931 business owners were surveyed. OC. Most business owners do not buy flood insurance. D. There is no association between business owners and buying flood insurance.
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
please complete the blank problem and or ones with a red x next to it not ones with a green check next to please
A random sample of employees participating in a company fitness program were asked how many days they logged an exercise activity in the past month. Their responses are reported in the histogram below.Based on the histogram above, what is the class width? Clas width = ? Days What is the sample size? Sample size = ? employees
The sample of five companies in the aerospace industry was surveyed as to their return on investment last year. The results are 21, 17, 6, 21 and 23 Find the sample mean Find the Sample Variance Find the Sample Standard Deviation
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.
STATISTICS. Show necessary and complete solutions. Box your final answer. 1. A 15-item quiz were given to the students who were absent on the actual day of the quiz. Those students got 4, 4, 5, 6, 9, 9, 9, 12, 13, 14 and 14. Find the range, mean, median, mode, standard deviation, and variance of this ungrouped data.
One way analysis of variance is used to test for O A. equality of three or more population means O B. equality of three or more sample means OC. equality of three or more population proportions D. equality of three of more population variances Click to select your answer.

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