Question

a box contains card number from 1 to 20 a card is drawn at random from the box find the probability that a number on the drawn cards is a prime number second a composite number in number divisible by 3​

Answer 1

Answer:

S = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}

i) P(drawing a prime number) = 8/20

=>2/5.

ii) P(drawing a composite number) = 12/20

=>3/5.

iii) P (drawing a number divisible by 3) = 6/20

=>3/10.

Hope it helps :)

Answer 2

Answer yahi hai 1,2,3 part ka