36. Casino. Acasino knows that people play the slot

Chapter 16, Problem 36

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36. Casino. Acasino knows that people play the slot machinesin hopes of hitting the jackpot but that most ofthem lose their dollar. Suppose a certain machine pays outan average of $0.92, with a standard deviation of $120.a) Why is the standard deviation so large?b) If you play 5 times, what are the mean and standarddeviation of the casinos profit? c) If gamblers play this machine 1000 times in a day,what are the mean and standard deviation of thecasinos profit?d) Is the casino likely to be profitable? Explain

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