The mean length of one-year-old spotted flounder, in millimeters, is 124 with standard deviation of 14. The distribution of flounder lengths is approximately bell- shaped. Suppose that Anna caught a one-year-old spotted flounder that was 141 milimeters in length. What is the z-score for this length? Write only a number as your answer. Round your answer to two decimal places (for example: 3.15).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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The mean length of one-year-old spotted flounder, in millimeters, is 124 with
standard deviation of 14. The distribution of flounder lengths is approximately bell-
shaped. Suppose that Anna caught a one-year-old spotted flounder that was 141
milimeters in length. What is the z-score for this length?
Write only a number as your answer. Round your answer to two decimal places (for
example: 3.15).
Transcribed Image Text:The mean length of one-year-old spotted flounder, in millimeters, is 124 with standard deviation of 14. The distribution of flounder lengths is approximately bell- shaped. Suppose that Anna caught a one-year-old spotted flounder that was 141 milimeters in length. What is the z-score for this length? Write only a number as your answer. Round your answer to two decimal places (for example: 3.15).
In a large sample of customer accounts, a utility company determined that the
average number of days between when a bill was sent out and when the payment
was made is 12 with a standard deviation of 20 days. Assume the data to be
approximately bell-shaped. Approximately 95% of all customer accounts have the
average number of days between two values A and B. What is the value of B? Write
only a number as your answer.
Transcribed Image Text:In a large sample of customer accounts, a utility company determined that the average number of days between when a bill was sent out and when the payment was made is 12 with a standard deviation of 20 days. Assume the data to be approximately bell-shaped. Approximately 95% of all customer accounts have the average number of days between two values A and B. What is the value of B? Write only a number as your answer.
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