The weights of the fish in a certain lake are normally distributed with a mean of 20 pound and a standard deviation of 9 pound. If 9 fish are randomly selected, what is the probability that the mean weight will be between 17.6 and 23.6 pound? Group of answer choices 0.6730 0.4032 0.0968 0.327
Added by Alan B.
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6 - 20}{\frac{9}{\sqrt{9}}} = -0.8\) \(z_{\text{upper}} = \frac{23.6 - 20}{\frac{9}{\sqrt{9}}} = 1.2\) Show more…
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