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

Question

4 years ago

13

eviation of 34. Which of the following values is outside the 99% confidence interval for the population mean?

2 answers:

omeli [17] · Answer 1 · 2022-01-10T08:30:48+03:00

omeli [17]4 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] · Answer 2 · 2022-01-10T10:07:34+03:00

7 0

Answer:

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