Machines have a lower payoff frequency

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According to machine specifications, the one-armed bandits in gambling casinos should pay off once in 11.6 turns, with a standard deviation of 2.7 turns. A lawyer believes that the machines at Casino World have been tampered with and observes a payoff once in 12.4 turns, over 36 machines. At = 0.01, is the lawyer right in concluding that the machines have a lower payoff frequency?

Reference no: EM132527741

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