Question

A die is rolled 20 times. find the probability of getting four 2's out of 20 attempts

Answer 1

Maybe divide 20 by 4 and your answer should be 5 times.

Answer 2

P(get 2's) = 1/6
P(not 2's) = 5/6
p= (1/6)^4 * (5/6)^16 = 4.17 * 10^-5