(Answered) Use the normal distribution of fish lengths for which the

Economics

Use the normal distribution of fish lengths for which the mean is 10 inches and the standard deviation is 4 inches. Assume the variable x is normally distributed.

Left parenthesis a right parenthesis

(a) What percent of the fish are longer than 11 ?inches?

Left parenthesis b right parenthesis

(b) If 400 fish are randomly? selected, about how many would you expect to be shorter than 8 ?inches?

Left parenthesis a right parenthesis

(a) Approximately nothing ?% of fish are longer than 11 inches. ?(Round to two decimal places as? needed.)

Left parenthesis b right parenthesis

(b) You would expect approximately nothing fish to be shorter than 8 inches.

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