To boost holiday sales, a jewelry store in Bismark, North Dakota is advertising the following promotion: "If more than seven inches of cummulative snow fall on December 24, 25, 26, 27, and 28, you get your money back on all purchase on December 17." To analyze this promotion, the store mananger has collected data and determined that snowfall over this 5-day period in December is normally distributed with an average of 6 inches and standard deviation of 0.559 inches. a. What is z? b. What is the probability that the store will have to refund its money to its December 17 customers? (Round to nearest 0.0001)
To boost holiday sales, a jewelry store in Bismark, North Dakota is advertising the following promotion: "If more than seven inches of cummulative snow fall on December 24, 25, 26, 27, and 28, you get your money back on all purchase on December 17." To analyze this promotion, the store mananger has collected data and determined that snowfall over this 5-day period in December is normally distributed with an average of 6 inches and standard deviation of 0.559 inches. a. What is z? b. What is the probability that the store will have to refund its money to its December 17 customers? (Round to nearest 0.0001)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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To boost holiday sales, a jewelry store in Bismark, North Dakota is advertising the following promotion: "If more than seven inches of cummulative snow fall on December 24, 25, 26, 27, and 28, you get your money back on all purchase on December 17." To analyze this promotion, the store mananger has collected data and determined that snowfall over this 5-day period in December is
a. What is z?
b. What is the probability that the store will have to refund its money to its December 17 customers? (Round to nearest 0.0001)
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