SOLUTION: you roll a number cube 30 times. About how many times would you expect to roll a 4

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Question 563342: you roll a number cube 30 times. About how many times would you expect to roll a 4
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
you roll a number cube 30 times. About how many times would you expect to roll a 4
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P(roll 4) = 1/6
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Expected # of 4 in 30 rolls = (1/6)*30 = 5
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Cheers,
Stan H.
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