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 to be 90% confident that your sample mean is within 14 minutes
of the population mean? Assume that the standard deviation of the population of monthly time spent on the
internet is 221 min. What is a major obstacle to getting a good estimate of the population mean? Use
technology to find the estimated minimum required sample size.

they can both be solutions depends on the equation

step-by-step explanation:

what is the equation? ?

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3

answer: what is the conflict?

step-by-step explanation:

*what has happened to new york city?

*what is in the time capsule?

* what did the kidz see that gave them hope?

*what will they do with what they find?

* how will they save the city?

* what challenges will they face along the way?

*what big choice will they make at the climax of the story?

* what lesson do they learn at the end of the story?