Question

Please solve this. ​

Answer 1

Step-by-step explanation:

s={20,30,50,23,25,32,35,52,53}

n(s)= 9

event A : The number formed is even

A={20,30,50,32,52}

n(A) = 5

p(A) = n(A)/ n(S)= 5/9

event B : The no. formed is prime no.

B= {23,53}

n(B)= 2

p(B)= n(B)/n(S) = 2/9

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