10.00 lbs and a sample stdev of 5 lbs. What is the 90% Conf. Int. for the mean? Group of answer choices 8.36 to 11.64 6.65 to 13.35 8.59 to 11.41 8.14 to 11.86

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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The amount of trash generated by US households (in lbs per day) is Normally distributed. You a random sample of 8 people gives you an average of 10.00 lbs and a sample stdev of 5 lbs. What is the 90% Conf. Int. for the mean?
Group of answer choices
8.36 to 11.64
6.65 to 13.35
8.59 to 11.41
8.14 to 11.86
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