Question

& 4/24/19 355 AM Quiz: Week 4 Quiz Submit Quz This Question: 5 pts This Quiz: 50 pts Hep In order to to find the estimated minimum required sample size Round up to the nearest whole number) how many oomputer users must besurveyed n oder to be 95% oor-dert tat your sample mean is wein 11 of the population of monthly tme spent on the intermnet is 214 mi. What is a major obstacle to getting a good estimate of the population mean? Use technology is □computer users. O A. is difficult to precisely measure the amount of time spent on the indernet, invalidating some data values O B. There may not be 1,454 computer users to survey OC. The data does not provide in OD· There are noobstades to getting a good estmate of the population mean. on what the computer users did while on the internet 30 F 7 2

Answer 1

Solution:

The minimum sample size required is 1454 computer users.

20.05 × σ rl

= (19611214)

1454

What is a major obstacle to getting a good estimate of the population mean?

Answer: A. It is difficult to precisely measure the amount of time spent on the internet, invalidating some data values