lavanirasika120 lavanirasika120

05-06-2015
Art

Answered

An integer is chosen from 20 to 30. Find the probability that it
is a prime number.

Answer :

aryan908822 aryan908822

05-06-2015

THE PROBABILITY OF GETTING PRIME NUMBER IS 2/10=1/5

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shruthi2000 shruthi2000

05-06-2015

S={20,21,22,................30}
n[S]=10
A=Event of getting the prime number
A={23,29}
n[A]=2
P[A]=2/10=>1/5

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