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4-9 The probability density function of the net weight in pounds of a packaged chemical herbicide is f(x)=2.0 for 49.75 x) = 0.90 0.90 Z 28 x 770-25 Le 2x = 99.60 x = 49.80 TD-25 50 2-0 dx 100.50-20 ✓ = 0.50 ✓ 2x 50.25 x 100.50-2x

4-9 The probability density function of the net weight in pounds of a packaged chemical herbicide is f(x)=2.0 for 49.75 x) = 0.90 0.90 Z 28 x 770-25 Le 2x = 99.60 x = 49.80 TD-25 50 2-0 dx 100.50-20 ✓ = 0.50 ✓ 2x 50.25 x 100.50-2x

A First Course in Probability (10th Edition)
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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4-9. The probability density function of the net weight in pounds of a packaged chemical herbicide is f(x) = 2.0 for 49.75<x<50.25 pounds. (a) Determine the probability that a package weighs more than 50 pounds. (b) How much chemical is contained in 90% of all packages? a. P(X750) = 2.0 dx • £.2.0 d 9. Jo b. P(x >x) = 0.90 Z 110.25 2x12x 28 JD 7tD-25 2-0 dx 0.90 = 100.50 -2x 2x = 99.60 x = 49.80 ✓ = 0.50 ✓ 2x 50.25 x 100.50-20
Transcribed Image Text:4-9. The probability density function of the net weight in pounds of a packaged chemical herbicide is f(x) = 2.0 for 49.75<x<50.25 pounds. (a) Determine the probability that a package weighs more than 50 pounds. (b) How much chemical is contained in 90% of all packages? a. P(X750) = 2.0 dx • £.2.0 d 9. Jo b. P(x >x) = 0.90 Z 110.25 2x12x 28 JD 7tD-25 2-0 dx 0.90 = 100.50 -2x 2x = 99.60 x = 49.80 ✓ = 0.50 ✓ 2x 50.25 x 100.50-20
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