Big babies: The National Health Statistics Reports described a study in which a sample of 310 one-year-old baby boys were weighed. Their mean weight was 24.4 pounds with standard deviation 5.3 pounds. A pediatrician claims that the mean weight of one-year-old boys is greater than 25 pounds. Do the data provide convincing evidence that the pediatrician's claim is true? Use the α = 0.10 level of significance and the P-value method with the TI-84 Plus calculator. Compute the  P-value. Round the answer to at least four decimal places.   P-value = ____         How do I solve this problem using the TI-84 calculator?

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Big babies: The National Health Statistics Reports described a study in which a sample of 310 one-year-old baby boys were weighed. Their mean weight was 24.4 pounds with standard deviation 5.3 pounds. A pediatrician claims that the mean weight of one-year-old boys is greater than 25 pounds. Do the data provide convincing evidence that the pediatrician's claim is true? Use the α = 0.10 level of significance and the P-value method with the TI-84 Plus calculator. Compute the 

P-value. Round the answer to at least four decimal places.

 

P-value = ____
 
 
 
 

How do I solve this problem using the TI-84 calculator?

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The answer you came up with is the same answer I came up with, but I got it wrong. The correct answer was 0.0236. How is that possible?

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