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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Catracho Catracho
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5 years ago Edited: 5 years ago, bio_man
Use the normal distribution of fish lengths for which the mean is 10 inches and the standard deviation is 2 inches. Assume the variable x is normally distributed.

Use the normal distribution of fish lengths for which the
(a) What percent of the fish are longer than 13 inches?
(Round to two decimal places as needed.)

b) If 400 fish are randomly selected, about how many would you expect to be shorter than 9 inches.
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Educator
5 years ago
Here you go, once again:

@ Catracho Please type the complete question next time -- I've mentioned this before, would be very appreciated to place the complete thing in the description if it doesn't fit in the subject line.
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