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Naily [24]
3 years ago
13

A simple random sample of 85 is drawn from a normally distributed population, and the mean is found to be 146, with a standard d

eviation of 34. Which of the following values is outside the 99% confidence interval for the population mean?
Mathematics
2 answers:
omeli [17]3 years ago
8 0

Answer:

anything below 136.5 or above 155.5

Step-by-step explanation:

the critical value from a Z distribution for the 99% confidence level is 2.576

so we just need to compute

146 + 2.576(34/sqrt(85))

and

146 + 2.576(34/sqrt(85))

Assoli18 [71]3 years ago
7 0

Answer:

<em>A. the value of 135 because it is not greater than 136.5</em>

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