Homework 11 Answer

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Homework 11

 

1. The weights of the fish in a certain lake are normally distributed with a mean of 10.1 lb and a standard deviation of 2.9 lb. If 32 fish are randomly selected, what is the probability that the mean weight will be less than 11.5 lb? Express the answer as a percentage rounded to the nearest hundredth without the % sign.

2. The weights of the fish in a certain lake are normally distributed with a mean of 6.1 lb and a standard deviation of 2.1 lb. If 50 fish are randomly selected, what is the probability that the mean weight will be less than 6.5 lb? Express the answer as a percentage rounded to the nearest hundredth without the % sign.

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Homework 11 Answer

 

1. The weights of the fish in a certain lake are normally distributed with a mean of 10.1 lb and a standard deviation of 2.9 lb. If 32 fish are randomly selected, what is the probability that the mean weight will be less than 11.5 lb? Express the answer as a percentage rounded to the nearest hundredth without the % sign.

Answer: 99.68

This question is taken from Math 227 – Statistics » Spring 2022 » Homeworks