Question: For a random sample of 12 observations selected from a normal population, the sample mean was 407, and the sample standard deviation was 6. A)

For a random sample of 12 observations selected from a normal population, the sample mean was 407, and the sample standard deviation was 6. A) The null hypothesis is approved. B) The null hypothesis is rejected. C) The alternative hypothesis is rejected. D) The alternative hypothesis is accepted. For a random sample of 12 observations selected from a normal population, the sample mean was 407, and the sample standard deviation was 6. A) The null hypothesis is approved. B) The null hypothesis is rejected. C) The alternative hypothesis is rejected. D) The alternative hypothesis is accepted

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