SOLUTION: The average teenager spends 7.5 hours per week playing computer and video games. In a random sample of 110 teenagers, what is the probability that their mean time for playing game

SOLUTION: The average teenager spends 7.5 hours per week playing computer and video games. In a random sample of 110 teenagers, what is the probability that their mean time for playing game

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Question 524875: The average teenager spends 7.5 hours per week playing computer and video games. In a random sample of 110 teenagers, what is the probability that their mean time for playing games is more than 8 hours per week?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
You need to post a standard deviation.
Cheers,
Stan H.
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