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Hourly Wages Narrative A Random Sample of 15 Hourly Wages for Waitresses (Including

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Hourly Wages Narrative
A random sample of 15 hourly wages for waitresses (including tips) was drawn from a normal population. The sample mean and sample standard deviation were computed as Hourly Wages Narrative A random sample of 15 hourly wages for waitresses (including tips) was drawn from a normal population. The sample mean and sample standard deviation were computed as = $14.9 and s = $6.75. -Refer to Hourly Wages Narrative. Can we infer at the 5% significance level that the population mean is greater than 12, assuming that you know the population standard deviation is equal to 6.75? Give reasons for your answer. = $14.9 and s = $6.75.
-Refer to Hourly Wages Narrative. Can we infer at the 5% significance level that the population mean is greater than 12, assuming that you know the population standard deviation is equal to 6.75? Give reasons for your answer.

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Rejection region: z > blured image = 1.645
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