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Mathematics, 21.07.2021 02:30 farh

Question 1 (10 points) A scientist wishes to estimate the average depth of a river. He wants to be 99%
confident that the estimate is accurate within 2 feet. From another study, the
standard deviation of all of the depths is 4.38 feet. What is the minimum sample size
he should use?
32
320
319
31
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