90.2K

Verified Solution

Link Copied!

The website of the large coporation CorpPlus claims that 93 of the population of all employees say the corporation is a great place to work You work for a competitor and think that this percentage is not a true indicator of CorpPlus s employee satisfaction To test the claim from the website you will survey a random sample of 75 employees from CorpPlus and ask them whether they think the corporation is a great place to work Follow the steps below to construct a 99 confidence interval for the population proportion of all employees who say the corporation is a great place to work Then state whether the confidence interval you construct contradicts the website s claim If necessary consult a list of formulas a Click on Take Sample to see the results from the random sample Take Sample Sample size 0 Point estimate 0 Critical value 0 Compute Says the corporation is a great place to work 0 000 Does not say the corporation is a great place to work 0 000 Enter the values of the sample size the point estimate of the population proportion and the critical value you need for your 99 confidence interval Choose the correct critical value from the table of critical values provided When you are done select Compute Standard error Margin of error 99 confidence interval Number 99 confidence interval 0 500 63 O No the confidence interval does not contradict the claim The proportion 0 93 from the website is inside the 99 confidence interval 12 O No the confidence interval does not contradict the claim The proportion 0 93 from the website is outside the 99 confidence interval b Based on your sample graph the 99 confidence interval for the population proportion of all employees who say the corporation is a great place to work O Yes the confidence interval contradicts the claim The proportion 0 93 from the website is inside the 99 confidence interval Enter the values for the lower and upper limits on the graph to Ishow your confidence interval For the point enter the claim 0 93 from the website Yes the confidence interval contradicts the claim The proportion 0 93 from the website is outside the Proportion 0 84 X 0 16 values 0 005 2 576 0 010 2 326 X 0 025 1 960 20 050 1 645 20 100 1 282 X c Does the 99 confidence interval you constructed contradict the claim from the website Choose the best answer from the choices below S 1 000 1 000 3

Answer & Explanation Solved by verified expert

See Answer