Exclude leap years from the following calculations. a) compute the probability that a randomly selected person does not have a birthday on December 9. b)Compute the probability that a randomly...

Exclude leap years from the following calculations.

a) compute the probability that a randomly selected person does not have  a birthday on December 9.

b)Compute the probability that a randomly selected person does not have a birthday on the 4th day of a month

c) compute the probability that a randomly selected person does not have a birthday on the 31 day of a month

d) compute the probability that a randomly selected person  was not born in February.