Question

. A box contains cards numbered 1 to 10. A card is
drawn at random from the box. Find the probability
that the drawn card has a prime number.

Answer 1

Answer:

Probability= 2/5

Step-by-step explanation:

Cards are numbered from 1-10 which are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

Total cards= 10

Prime numbers out of them are: 2, 3, 5, 7

Total cards with a Prime number are= 4

Probability= Number of favourable outcomes/ Number of Total outcomes

Probability= 4/10

                 = 2/5

Answer 2

Answer:

total outcomes=10

no. of favorable outcome=4(2,3,5,7)

p(E) = 4/10

= 2/5