Question
The weights of a fish in a certain lake are normally distributed with a mean of 20 lb and a standard deviation of 6. If
The weights of a fish in a certain lake are normally distributed with a mean of 20 lb and a standard deviation of 6. If 9 fish are randomly selected, what is the likelihood that the mean weight will be between 17.6 and 21.6 lb?
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Cambridge IGCSE And O Level Additional Mathematics
Authors: Val Hanrahan, Jeanette Powell
1st Edition
1510421645, 978-1510421646
