Do Homework-Olivia Nabiyiindi-Internet Explorer 3168 ld 4521306&ecent; Insert MA

Question

Do Homework-Olivia Nabiyiindi-Internet Explorer 3168 ld 4521306&ecent; Insert MAT181 805 Statistics I Homework: HW8 xScore: 0 of 1 pt 7.3.28-T 19 of 40(23 complete) HW Score: 55%, 22 of 40 pts X Score: 0 of 1 pt Question Heip * In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be surveyed in order be 90% confident that your sample mean is within 13 minutes of the population mean? Assume that the standard deviation of the population of monthly time spent on the le to getting a good estimate of the population mean? Use technology to find the estimated minimum required sample size. Round up to the nearest whole number.) Enter your answer in the answer box and then click Check Answer 1 part Clear All

Explanation / Answer

Critical value at 90% confident is 1.645

Minimum sample size = (1.645*210/13)^2 = 706

So, answer is 706

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