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Helppppp me please…….:/

Helppppp me please…….:/-example-1
User Getsoubl
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3.0k points

1 Answer

10 votes
10 votes

Answer:

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%

User Abubakar Moallim
by
2.5k points