a) You want to determine the proportion of the croaker fish population that is longer than 14 inches. What z-score should you use? Please round your answer to 2 decimal places. A/ What proportion of the croaker fish population is longer than 14 inches? Give your =wer to 4 decimal places, using the z-score from (a). select a fish at random from the population. What is the probability it is en 8 and 14 inches? Give your answer to 4 decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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The lengths of Atlantic croaker fish are normally distributed, with a mean of 10.5
inches and a standard deviation of 1.8 inches. An Atlantic croaker fish is randomly
selected. Determine the following. Remember to make a sketch!
a) You want to determine the proportion of the croaker fish population that is longer
than 14 inches. What z-score should you use? Please round your answer to 2
decimal places.
A/
b) What proportion of the croaker fish population is longer than 14 inches? Give your
answer to 4 decimal places, using the z-score from (a).
A/
c) You select a fish at random from the population. What is the probability it is
between 8 and 14 inches? Give your answer to 4 decimal places.
A
Transcribed Image Text:The lengths of Atlantic croaker fish are normally distributed, with a mean of 10.5 inches and a standard deviation of 1.8 inches. An Atlantic croaker fish is randomly selected. Determine the following. Remember to make a sketch! a) You want to determine the proportion of the croaker fish population that is longer than 14 inches. What z-score should you use? Please round your answer to 2 decimal places. A/ b) What proportion of the croaker fish population is longer than 14 inches? Give your answer to 4 decimal places, using the z-score from (a). A/ c) You select a fish at random from the population. What is the probability it is between 8 and 14 inches? Give your answer to 4 decimal places. A
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