A local hospital wanted to see if the claim was true and randomly sampled 25 baby's weights and found an average weight of 7.3 pounds. Test the claim using a 10% level of significance that the mean weight significantly smaller than the national average of 7.5 pounds. Use the population standard deviation of 1.25 pounds. Give answer to at least 4 decimal places.
The weights of newborn children in the United States vary according to the
A local hospital wanted to see if the claim was true and randomly sampled 25 baby's weights and found an average weight of 7.3 pounds. Test the claim using a 10% level of significance that the mean weight significantly smaller than the national average of 7.5 pounds. Use the population standard deviation of 1.25 pounds. Give answer to at least 4 decimal places.
What are the correct hypotheses? (Select the correct symbols.)
H0: pounds
H1: pounds
Based on the hypotheses, find the following:
Test Statistic =
p-value =
The correct decision is to
The correct summary would be: that the mean weight significantly smaller than the national average of 7.5 pounds.
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