a research company desires to know the mean consumption of beef per we
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Question
A research company desires to know the mean consumption of beef per week among males over age 48. Suppose a sample of size 208 is drawn with X=3.9. Assume ®=0.8.
Construct the 80% confidence interval for the mean number of lb. of beef per week among males over 48. (Round your answers to 1 decimal place)