A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Pls help with below homework.

1. The weights of fish in a certain lake are normally distributed with a mean of 12 pounds and a population standard deviation of 4.2 pounds. If 64 fish are randomly selected from this lake, what is the probability that their mean weight will be at least 13 pounds?
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Transcribed Image Text:1. The weights of fish in a certain lake are normally distributed with a mean of 12 pounds and a population standard deviation of 4.2 pounds. If 64 fish are randomly selected from this lake, what is the probability that their mean weight will be at least 13 pounds?
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