The wildife department has been feeding a special food to rainbow trout fingerlings in a pond. Based on a large number of observations, the distribution of trout weights is normally distributed with a mean of 402.7 grams and a standard deviation of 12.8 grams. What is the probability that the mean weight for a sample of 41 trout exceeds 405.5 grams?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The wildife department has been feeding a special food to rainbow trout fingerlings in a pond. Based on a large number of
observations, the distribution of trout weights is normally distributed with a mean of 402.7 grams and a standard deviation of 12.8
grams. What is the probability that the mean weight for a sample of 41 trout exceeds 405.5 grams?
Transcribed Image Text:The wildife department has been feeding a special food to rainbow trout fingerlings in a pond. Based on a large number of observations, the distribution of trout weights is normally distributed with a mean of 402.7 grams and a standard deviation of 12.8 grams. What is the probability that the mean weight for a sample of 41 trout exceeds 405.5 grams?
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