SOLUTION: A single 6-sided die is rolled 8 times. What is the probability that either 4 or 5 was rolled exactly twice.
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Question 1157032: A single 6-sided die is rolled 8 times. What is the probability that either 4 or 5 was rolled exactly twice. Answer by ikleyn(52786) (Show Source):
It is the binomial type probability distribution.
The number of trial n= 8; the probability of the success trial is + = , and the number of success trial k = 2.
P = = = 0.2731 (rounded). ANSWER
