Show me your works.1. (20%) State the hypotheses for the following cases.●The manager of an automobile dealership is considering a new bonus plan inorder to increase sales. Currently, the mean sales rate per salesperson is fiveautomobiles per month. State the null and the alternative hypotheses fortesting the new bonus plan. (5%)A soft drink filling machine, when in perfect adjustment, fills the bottles with12 ounces of soft drink. Any overfilling or underfilling results in the shutdownand readjustment of the machine. To determine whether or not the machineis properly adjusted, the correct set of hypotheses is? (5%)The label on a 3-quart container of orange juice states that the orange juicecontains an average of 1 gram of fat or less. Develop the appropriate null andalternative hypothesis test that could be used to test the claim on the label.(5%)Carpetland salespersons average $8000 per week in sales. Steve Contois, thefirm's vice president, proposes a compensation plan with new sellingincentives. Steve hopes that the results of a trial selling period will enable himto conclude that the compensation plan increases the average salesperson.Develop the appropriate null and alternative hypotheses. (5%)

Answered: Image /qna-images/answer/7c6ef26a-8d8a-474f-a3fa-858cd0ce8b20.jpg

Answered: Show me your works. 1. (20%) State 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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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p = 0.68. You would like to be 97% confident that your estimate is within 2.5% of the true population proportion. How large of sample size is required n =
Based on historical data in Oxnard college, we believe that 32% of freshmen do not visit their counselors regularly. For this year, you would like to obtain a new sample to estimate the proportiton of freshmen who do not visit their counselors regularly. You would like to be 90% confident that your estimate is within 2% of the true population proportion. How large of a sample size is required? Do not round mid-calculation.n =
can you figure out part C?
Based from the photo, This is the step1, so step 2 and step 3 and Step 4 must be answered. (Step 2: Test Statistic -Pearson's r correlation coefficient AND Step 3: Critical Values, and Step 4: Solve For the test stat) so based it from the photo. The table shows the number of hours spend by 30 students in studing and their test scores. Solve for the Pearson’s r and interpret the results. Use 5% significance level. Step 1: Null and Alternative Hypothesis Ho: r = 0; There is no significant relationship between the number of hours spent studying and the students test scores. Ha: r ≠ 0; There is a significant relationship between the number of hours spent studying and the students test scores. Step 2: Test Statistic -Pearson's r correlation coefficient Step 3: Critical Values, Step 4: Solve For the test stat PLEASE SHOW ME COMPLETE SOLUTIONS AND CORRECT ANSWERS THANK YOU!! It was a pleasure to me. HIGHLIGHT STEP 4: (step 4 is must)!!
For the following z scores, please tell me the percentage of scores that lie below it: a. 2.5 ___________ b. -1.45 ___________ c. -1 ____________
In the past, the mean age of consumers of a product was 38 years. Recently the product has been drastically changed. In order to determine whether there has been a change in the mean age of the product consumers, a sample of 16 consumers is selected. The mean age in the sample is 33 years and the standard deviation in the sample is 10 years. Let u = the mean age of the current product (Problem Set #7) consumers. The value of the test statistic is Oa. -2.00 O b.-1.60 OC .0.8 O d. 4.21
A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 55 percentage points with 90% confidence if (a) he uses a previous estimate of 28%? n=what (b) he does not use any prior estimates? n=what
For each of the following, indicate whether the expected relationship between the two variables will be positive, negative, or zero. 1. The average number of calories eaten per day and body weight. 2. Air temperature and the amount of snow on the ground. 3. The number of minutes of exercise per day and score on a physical fitness test. 4. Number of absences and GPA. 5. Price of goods and height of a person.
option d. for the last question is D. The P-value is greater than the level of significance so there is not sufficient evidence to conclude the new system is effective.
The average starting salary of students who graduated from colleges of Business in 2009 was $48,400.A sample of 100 graduates in 2010 showed an average starting salary of $50,000. Assume the standarddeviation of the population is known to be $8000. We want to determine whether or not there hasbeen a significant increase in the starting salaries.Step 1. Statement of the hypothesis Step 2. Standardized test statistic formula Step 3. State the level of significance Step 4. Decision Rule (Draw a bell to show rejection zone) Step 5. Calculation of the statistic Step 6. Conclusion
Consider the following two questions designed to assess quantitative literacy. 1. What is 15% of 1000? 2. A store is offering a 15% off sale on all TVs. The most popular television is normally priced at $1000. How much money would a customer save on the television during this sale? Suppose the first question is asked of 200 randomly selected college students, with 165 answering correctly; the second one is asked of a different random sample of 200 college students, resulting in 143 correct responses. Carry out a test of hypotheses at significance level 0.05 to decide if the true proportion of correct responses to the question without context exceeds that for the one with context. (Use p₁ for the true proportion students who answered the question without context correctly and p₂ for the true proportion of students who answered the question with context correctly.) State the relevant hypotheses. Ho: P₁ P₂ = 0 Ha: P₁ P₂ #0 Ho: P₁ Ha: P₁ Ho: P₁ Ha: P₁ Ho: P₁ Ha: P₁ USE SALT O Ho: P₁ Ha: P₁…
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately o = 62.5. You would like to be 95% confident that your esimate is within 2 of the true population mean. How large of a sample size is required? n = Do not round mid-calculation. However, use a z value accurate to three decimal places - this is important for the system to be able to give hints for incorrect answers.

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