Last year the mean salary of professors in a particular community college was $62,000 with a standard deviation of $2000 A new two year contract is negotiated.

a) In the first year of the contract, each professor receives a $1500 raise

Find the mean and standard deviation

b) In the second year of the contract, each professor receives a 3% raise based on their salary during the first year of the contract .

Find the mean and standard deviation