Question: We are testing to see if the mean hemoglobin level among a group of pregnant women is more than 12 gm/dl, which is the population

We are testing to see if the mean hemoglobin level among a group of pregnant women is more than 12 gm/dl, which is the population mean. We have created a 95% confidence interval of 10-14 based on a sample of 100 lab results from this population. What decision will you make if the sample mean is 13.9?

A. Reject H0 in favor of H1
B. Fail to accept H0 in favor of H1
C. Accept the H0 and reject the H1
D. We cannot tell what our decision will be from the information given

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