Question

Helppppp me please…….:/

Answer 1

65.3%

Explanation:

what we want: p(2)+p(3)+p(4)

`P(2)={5\choose2}*.4^2*.6^3\\P(3)={5\choose3}*.4^3*.6^2\\P(4)={5\choose4}*.4^4*.6\\P(2)+P(3)+P(4)= .6528`

which equal 65.28%

which rounds to

65.3%