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jrsavala559p9969g
06.05.2020 •
Mathematics
1. A simple random sample of 500 students showed that the average weight of backpacks is 9 pounds
with a standard deviation of 3.5 pounds.
a. Find the margin of error for a 95% confidence interval.
b. Find the 95% confidence interval for the actual average weight of backpacks.
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Ответ:
Bbbh. N bh bhbbb. N nnbn n nn j nj j.
Step-by-step explanation:
Thsisnas ama due to: sjn xjs