Where will you get your next pet? Refer to Exercise 5.86 (p. 294), Recal that 50% of
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Where will you get your next pet? Refer to Exercise 5.86
(p. 294), Recal that 50% of pet owners will get their next dog or cat from a shelter (USA Today, May 12, 2010).
Now, consider a random sample of 300 pet owners, and let x be the number who will get their next dog or cat from a shelter.
a. Find the mean of x.
b. Find the standard deviation of x.
c. Find the z-score for the value x = 165.
d. Find the approximate probability that x is less than or equal to 165.
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Related Book For
Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package
ISBN: 978-0134090436
13th Edition
Authors: James Mcclave ,Terry Sincich
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