Question

There are 3 red and 4 white balls in a box. Four balls are selected at random with replacement
from the box. Find the probability of the event of getting (i) 2 red balls and 2 white balls
(ii) all four white balls among the selected balls using binomial distribution.​

Answer 1

Step-by-step explanation:

total probability - 7

1) p(2 red balls and 2 white balls)–4/7

2)p(4 white balls)–4/7

hope it helps !!