Question

a bag contains cards numbered from 1 to 40. what is the probability that the card picked up is a perfect square number?​

Answer 1

Answer:

let s be sample space for cards

S-(40)

nS (40)

let A be the card picked is a perfect square

A={4,9,16,25,36}

nA=5

pA=nA÷nS

=5÷40

8

pA =8