SOLUTION: Hi all see this 2 Questions plz 1- A die was rolled 720 times , what is the probability that the number 4 will be exactly 125 times ? 2- What is the probability of getting at m

Algebra ->  Algebra  -> Probability-and-statistics -> SOLUTION: Hi all see this 2 Questions plz 1- A die was rolled 720 times , what is the probability that the number 4 will be exactly 125 times ? 2- What is the probability of getting at m      Log On

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 Click here to see ALL problems on Probability-and-statistics Question 65226: Hi all see this 2 Questions plz 1- A die was rolled 720 times , what is the probability that the number 4 will be exactly 125 times ? 2- What is the probability of getting at most three heads in 8 flips of balanced coin ? Answer by stanbon(57250)   (Show Source): You can put this solution on YOUR website!1- A die was rolled 720 times , what is the probability that the number 4 will be exactly 125 times ? Prob(X=125)= [720C125](1/6)^125(5/6)^595=0.03466... Comment: If you are using a TI-83 the problem will cause an "overflow" when you try to calculate 720C125. However, if you use binompdf(720,1/6,125) you will get 0.03466... ----------------- 2- What is the probability of getting at most three heads in 8 flips of balanced coin ? P(0 Comment: You could also get this answer by calculating P(X=0) +P(X=1)+P(X=2)+P(X=3) -------- Hope this helps. Cheers, Stan H.