Question

Find the probability and interpret the results. If convenient, use technology to find the probability.

The population mean annual salary for environmental compliance specialists is about 60,500.

A random sample of 39 specialists is drawn from this population. What is the probability that the mean salary of the sample is less than 58,000 ?

Assume σ equals= $5,700.

The probability that the mean salary of the sample is less than

$58,000 is ______. (Round to four decimal places as needed.)

Interpret the results.

(A) What percent of the 39 specialists will have a mean salary of less than $58,000?

(B) is this percent unusual? Yes or No.

Answer 1