QUESTION 20 Suppose ferrets have a mean lifespan of 9.2 years with a standard deviation of 2.13 years. What is the probability that a ferret will live longer than 8.7 years? Z-Score = -0.23 (to the nearest hundredth) Work: 8.7-9.2/2.13 = -0.2347 Identify the image below that best represents the standard normal curve you drew for this problem. D D Area from the Table: Work: Final Answer:

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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QUESTION 20
Suppose ferrets have a mean lifespan of 9.2 years with a standard deviation of 2.13 years. What is the probability that a ferret will live longer
than 8.7 years?
Z-Score = -0.23
(to the nearest hundredth)
Work: 8.7-9.2/2.13 = -0.2347
Identify the image below that best represents the standard normal curve you drew for this problem. D
C
D.
Area from the Table:
Work:
Final Answer:
Transcribed Image Text:QUESTION 20 Suppose ferrets have a mean lifespan of 9.2 years with a standard deviation of 2.13 years. What is the probability that a ferret will live longer than 8.7 years? Z-Score = -0.23 (to the nearest hundredth) Work: 8.7-9.2/2.13 = -0.2347 Identify the image below that best represents the standard normal curve you drew for this problem. D C D. Area from the Table: Work: Final Answer:
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