Question: 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

The average annual salary for all U.S. teachers is $47,750. Assume that the 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 0.3031
b. More than $40,000 a year 0.9131
c. If you were applying for a teaching position and were offered $31,000 a year, how would you feel (based on this information)?

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