Life span of desktop PC: 99% confidence N = 21 X = 6.8 years s = 2.4 years a. Find the margin of e
Question: Life span of desktop PC: 99% confidence
N = 21 X = 6.8 years s = 2.4 years
a. Find the margin of error with the confidence level given
b. Confidence interval for the population mean--assume the population has a normal distribution.
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Solution Format: Word Document
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