Question

Cards being numbers 2, 3, 4, .........., 11 are kept in a bag. A card is drawn at random
from the bag. The probability of getting a card with a prime number is ...... 1​

Answer 1

Answer:

Given : Cards bearing numbers 2,3,4,5,6,7,8,9,10,11

To Find :the probability of getting a card with a prime number

Solution:

Cards bearing numbers 2,3,4,5,6,7,8,9,10,11

Total no. of cards = 10

Cards bearing prime number s= 2,3,5,7,11

Total no. of prime cards = 5

So, the probability of getting a card with a prime number:

= \fraction{\text{no. of prime number cards}}{\text{Total No. of cards}}

Total No. of cards

no. of prime number cards

= \frac{5}{10}

10

5

Answer 2

Step-by-step explanation:

there are 10number of cards

prime numbers=2,3,5,7,11

numbers if prime numbers=5

the probability of getting a card with a prime numbers=5/10=1/2