SOLUTION: 22. A fair die is rolled three times. A random variable X denotes the number of occurrences of 6’s. What is the probability that X will have the value which is not equal to 0.

Algebra ->  Probability-and-statistics -> SOLUTION: 22. A fair die is rolled three times. A random variable X denotes the number of occurrences of 6’s. What is the probability that X will have the value which is not equal to 0.       Log On


   



Question 465597: 22. A fair die is rolled three times. A random variable X denotes the number of occurrences of 6’s. What is the probability that X will have the value which is not equal to 0.
Answer by stanbon(75887) About Me  (Show Source):
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A fair die is rolled three times. A random variable X denotes the number of occurrences of 6’s. What is the probability that X will have the value which is not equal to 0.
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P(# of 6's is not 0)
= 1 - P(# of 6's is 0)
= 1 - (5/6)^3
= 0.4213
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Cheers,
Stan H.