According to dogtime.com, the mean weight of an adult St. Bernard dog is 150 pounds. Assume the
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According to dogtime.com, the mean weight of an adult St. Bernard dog is 150 pounds. Assume the distribution of weights is Normal with a standard deviation of 10 pounds.
a. Find the standard score associated with a weight of 170 pounds.
b. Using the Empirical Rule and your answer to part a, what is the probability that a randomly selected St. Bernard weighs more than 170 pounds?
c. Use technology to confirm your answer to part b is correct.
d. Almost all adult St. Bernard’s will have weights between what two values?
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a The standard score associated with a weight of 170 pounds is 1 The standard score is calcu...View the full answer
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Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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