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A fish story: The mean length of one-year-old spotted flounder, in millimeters, is 133 with standard...

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Basic Math

A fish story: The mean length of one-year-oldspotted flounder, in millimeters, is 133 with standard deviation of20, and the mean length of two-year-old spotted flounder is 156with a standard deviation of 24. The distribution of flounderlengths is approximately bell-shaped.

(a) Anna caught a one-year-old flounder that was 145 millimetersin length. What is the z-score for this length? Round the answersto at least two decimal places.

(b) Luis caught a two-year-old flounder that was 195 millimetersin length. What is the z-score for this length? Round the answersto at least two decimal places.

(c) Joe caught a one-year-old flounder whose length had az-score of 1.3. How long was this fish? Round the answer to atleast one decimal place.

(d) Terry caught a two-year-old flounder whose length had az-score of −0.6. How long was this fish? Round the answer to atleast one decimal place.

Answer & Explanation Solved by verified expert
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Solution Given that mean 133 one yearstandard deviation    See Answer
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