how do i find proportion

timer Asked: Sep 16th, 2015

Question description

Lengths of fish caught by commercial fish boating company have bell-shaped distribution with mean 23 inches and standard deviation 1.5 inches.

a. About what proportion of all fish caught are between 20 inches and 26 incheslong

b. About what proportion of all fish caught are between 20 inches and 23 inches long

c.About how long is the longest fish caught (only a small fraction of a percent are longer)

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