solve

(a) Click on "Take Sample" to see the results from your random sample of 45 phones of the manufacturer's latest model. Number of phones Sample mean Sample standard Population standard deviation deviation 45 5.75 1.82 2.42 Enter the values of the sample size, the point estimate for the population mean, the population standard deviation, 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: Point estimate: Z9 005 = 2.576 Population standard deviation: Margin of error: Zyo10 = 2.326 29025 7 1.960 Critical value