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Past experience indicates that the time required for high school seniors to complete a standardized test is a normal random variable with a standard deviation

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Past experience indicates that the time required for high school seniors to complete a standardized test is a normal random variable with a standard deviation of 6 minutes. Test the hypothesis that a = 6 against the alternative that o O C. Ho: 62 > OD. Ho: 62 O c. x2 \f\f

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