Statistics: Testing Statistical Hypothesis – #25851

Question: Teachers’ Salaries. The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is normal and the standard deviation is $5680. Find the probability that a randomly selected teacher earns

a. Between $35,000 and $45,000 a year.

b. More than $40,000 a year.

c. If you were applying for a teaching position and were offered $31,000 a year, how would you feel (based on this information)?


log in

reset password

Back to
log in