Question 849278
Exclude leap years from the following calculations and assume each birthday is equally
likely: 
a. Determine the probability that a randomly selected person has a birthday on the 1st day of a month.
Ans: 12/365
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b. Determine the probability that a randomly selected person does not have a birthday of the 31st day of a month.
Note: 7 months have a 31st day
Ans: 1 - (7/365)
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c. Determine the probability that a randomly selected person was not born in December. 
Note: December has 31 days
Ans: 1 - 31/365
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Cheers,
Stan H.
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