The weight of IKEA furniture has a mean of 90 lbs and a standard deviation of 15 lbs. We randomly select 80 items from their store. Find the probability that the collective weight of the 80 items (or the total of the 80 values) is less than 7,500lbs. (a) 0.0127 (b) 0.9873 (c) 0.2665 (d) 0.5050 (e) None of the above

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
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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The weight of IKEA furniture has a mean of 90 lbs and a standard deviation of 15
lbs. We randomly select 80 items from their store. Find the probability that the
collective weight of the 80 items (or the total of the 80 values) is less than 7,500lbs.
(a) 0.0127
(b) 0.9873
(c) 0.2665
(d) 0.5050
(e) None of the above
Transcribed Image Text:The weight of IKEA furniture has a mean of 90 lbs and a standard deviation of 15 lbs. We randomly select 80 items from their store. Find the probability that the collective weight of the 80 items (or the total of the 80 values) is less than 7,500lbs. (a) 0.0127 (b) 0.9873 (c) 0.2665 (d) 0.5050 (e) None of the above
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X~N(μ=90,σ=15), n=80


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