The weight of a 2 cubic yard plastic bag of landscape mulch is uniformly distributed over the interval from 20 to 40 pounds. What is the probability that a bag will weigh more than 20 pounds? What is the probability that a bag will weigh less than 30 pounds? What is the probability that a bag will weigh between 30 and 40 pounds?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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The weight of a 2 cubic yard plastic bag of landscape mulch is uniformly distributed over the interval

from 20 to 40 pounds.

  1. What is the probability that a bag will weigh more than 20 pounds?
  2. What is the probability that a bag will weigh less than 30 pounds?
  3. What is the probability that a bag will weigh between 30 and 40 pounds?
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