Q. 145.0( 2 Votes )

A number is selected from numbers 1 to 25. The probability that it is prime is
A.

B.

C.

D.

Answer :

Total numbers of elementary events are: 25

Let E be the event of getting a prime number

Favorable outcomes are: 2, 3, 5, 7, 11, 13, 17, 19, 23

Numbers of favorable outcomes are = 9

P (prime number) = P (E) = 9/25

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