The owner of a fish market has an assistant who has determined that the weights of...

The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with mean of 3.2 pounds and standard deviation of 0.8 pound. If a sample of 4 fish is taken. What is the probability that the sample means will be between 3.1 and 4.0 pounds?

A		0.5759
B		0.9772
C		0.4972
D		0.6687

Solutions

Expert Solution

As this follows a Normal Distribution we use the formula mentioned and calculate the required probability. The probability value is obtained from STATKEY (image attached for reference).

orchestra answered 1 year ago

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