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Hypothesis Testing: Jail Time of Convicted Embezzlers

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A law student, who want to check a professor's claim that convicted embezzlers spend on average 12.3 months in jail, takes a random sample of 36 such cases from court files. Using his results, namely, a mean of 10.8 months and a standard deviation of 3.9 months, test the hypothesis u=12.3 versus the alternative hypothesis u≠12.3 at a level of significance of 5% and at a level of significance of 1%.

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The response provides guidelines on proceeding with a hypothesis testing discussing the amount of time convicted embezzlers spend in jail.

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Test the Hypothesis
A law student, who want to check a professor's claim that convicted embezzlers spend on average 12.3 months in jail, takes a random sample of 36 such cases from court files. Using his results, namely, a mean of 10.8 months and a standard deviation of 3.9 months, test the ...

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