Question 385324: find the probablity of getting a prime number in each of the following cases:
a) a number is chosen randomly from the set {1,2,3,4,5,6,7,8,9,10 and 11}
b)two dice are rolled and the sum is observed.
Answer by Fombitz(32388)   (Show Source):
You can put this solution on YOUR website! The subset of prime numbers is {2,3,5,7,11}.
That's five out of eleven.
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The possible sums are 2 through 12.
The primes are 2,3,5,7,11.
That's also five out of eleven.
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