In-each of the following problems (a) state the null and alternativehypotheses, (b) compute the test statistic, (c) determine the critical value and therejection region, and (d) draw a conclusion.1. If is claimed that the mean annual salary of medical representatives isPhp188,584.00.researcherrandomlyselected45medicalAHe computed the mean of their annual salaries andobtained a mean of Php188,600.00. Does this show that the mean salaryrepresentatives.of medical representatives is greater than Php188,584.00? Use 0.05 level ofsignificance and assume that the population standard deviation isPhp39.50.2. A company which produces batteries claims that the life expectancy oftheir batteries is 90 hours. In order to test the claim, a consumer interestgroup tested a random sample of 40 batteries. The test resulted to a meanife expectancy of 87 hours. Using a 0.05 level of significance, can it beconcluded that the life expectancy of their batteries is less than 90 hours?Assume that the population standard deviation is known to be 10 hours.

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Answered: In each of the following problems (a)…

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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A manufacturer of chocolate candies uses machines to package candies as they move along a filling line. Although the packages are labeled as 8 ounces, the company wants the packages to contain a mean of 8.17 ounces so that virtually none of the packages contain less than 8 ounces. A sample of 50 packages is selected periodically, and the packaging process is stopped if there is evidence that the mean amount packaged is different from 8.17 ounces. Suppose that in a particular sample of 50 packages, the mean amount dispensed is 8.161 ounces, with a sample standard deviation of 0.048 ounce. Complete parts (a) and (b). Click here to view page 1 of the critical values for the t Distribution. LOADING... Click here to view page 2 of the critical values for the t Distribution. LOADING... a. Is there evidence that the population mean amount is different from 8.17 ounces? (Use a 0.10 level of significance.) Find the critical values of the t distribution Determine the p-value and…
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