The net weight in pounds of a packaged chemical herbicide is uniform for 49.75

PREALGEBRA
15th Edition
ISBN:9781938168994
Author:OpenStax
Publisher:OpenStax
Chapter5: Decimals
Section5.6: Ratios And Rate
Problem 481E: One elementary school in Ohio has 684 students and 45 teachers. Write the student-to-teacher ratio...
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The net weight in pounds of a packaged chemical herbicide is uniform for 49.75 <x < 50.75 pounds.
Determine the following:
a. Mean and variance of the weight packages
b. P(X < 50.2)
a. E(X) = 50.25, V(X) = 0.0833, P(X < 50.2) = 0.45
O b. NONE
O. E(X) = 50.25, V(X) = 0.0208, P(X < 50.2) = 0.7
%3D
O d. E(X) = 50.0, V(X) = 0.0833, P( < 50.2) = 0.55
Transcribed Image Text:The net weight in pounds of a packaged chemical herbicide is uniform for 49.75 <x < 50.75 pounds. Determine the following: a. Mean and variance of the weight packages b. P(X < 50.2) a. E(X) = 50.25, V(X) = 0.0833, P(X < 50.2) = 0.45 O b. NONE O. E(X) = 50.25, V(X) = 0.0208, P(X < 50.2) = 0.7 %3D O d. E(X) = 50.0, V(X) = 0.0833, P( < 50.2) = 0.55
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