Question

The average annual slary for all U.S teachers is $47,750. Assume that the distrubition is normal and the standard devaiation 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 teacher position and were offered 31,000 a year, how would you feel (based on this information)

Answer 1

find z(standard values) and then look at your standar normal table to fiand probabilities