Find the volume of the rectangular prism.
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Answer:
The minimum sample size required is 5,499 computer users.
The major obstacle is that it is a big sample size if it is a small organization wanting to perform it.
Step-by-step explanation:
We need to calculate a sample size in order to have 95% confidence interval with 12 minutes of witdth.
So, we have that the difference between the upper limit and the lower limit is 12:
For a 95% CI, the value of z is 1.96. The standard deviation is 227.
The minimum sample size required is 5,499 computer users.