Suppose the standard deviation of a normal population is known to be 3, and Ho asserts...
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Suppose the standard deviation of a normal population is known to be 3, and Ho asserts that the mean is equal to 12. A random sample of size 20 drawn from the population yields a sample mean 12.75. What is the p-value if the alternative hypothesis says that the population mean is greater than 12? Use 4 decimal places. Suppose the standard deviation of a normal population is known to be 3, and Ho asserts that the mean is equal to 12. A random sample of size 20 drawn from the population yields a sample mean 12.75. What is the p-value if the alternative hypothesis says that the population mean is greater than 12? Use 4 decimal places.
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