Question

14. Five balls numbered 1, 2, 5, 8 and 9 are put in
a bag
(a) One ball is selected at random from the
bag. Write down the probability that it is
numbered '8'.
(b) On another occasion, two balls are selected at
random from the bag. Find the probability that
(1) the number on each ball is even,
(ii) the sum of the numbers on the balls is
more than 10,
(iii) the number on each ball is not a prime
number,
(iv) only one ball bears an odd number.​

Answer 1

Answer:

a) 1\5

b)

i) 2\5

ii)4\5

iii)2\5

iv)3\5

.

.

Hope you find it helpful. Thankyou!!