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Mathematics 15 Online
OpenStudy (anonymous):

A biased dice was thrown 20 times and the number of 5s was noted. This experiment was repeated many times and the average number of 5s was found to be 4.8. Find the probability that in the next 20 throws the number of 5s will be less than 3.

OpenStudy (anonymous):

Never mind I got it. 0.24 = 5s 0.76 = rest 20C0 + 20C1 + 20C2 = answer

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