Question

A box contain cards with numbers from 2 to 11. what is the probability of drawing a card with a prime number?

Answer 1

S={2,3,4,5,6,7,8,9,10,11}

n (S)=10

let event A - the probability of card drawn is containing prime no.

A={2,3,5,7,11}

n(A)=5

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

=5/10

=1/2

Thus, the probability of drawing card has prime number is 1/2.

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Answer 2

Answer:

Step-by-step explanation:

It is given that

Total numbers of digits from 2 to 11 =10

Prime numbers = 2,3,5,7 and 11

Total numbers of prime number=5

Probability of drawing a prime number=5/10 =1/2