Question

Find out the probility of picking a number which is a prime number randomly picked from 20 to 30 natural number

Answer 1

Answer:

Hello , Here is the answer to your question:

sample space ,

s= {20,21,22,23,24,25,26,27,28,29,30}

n(s)= 11

getting prime number ,

a = {23,29}

n(a)= 2

probability = n(a) / n(s)

                  = 2/11

Good luck

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