B. A discrete random variable X has the following probability distribution: 77 78 79 80 81 P(x) 0.15 0.15 0.20 0.40 0.10 Tabulate each of the following. 4. P(80) 5. P(x > 80) 6. P(x < 80)

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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Answer number 4 to 6 

B. A discrete random variable X has the following probability distribution:
77
78
79
80
81
P(x) 0.15 0.15 0.20 0.40 0.10
Tabulate each of the following.
4. P(80)
5. P(x > 80)
6. P(x < 80)
Transcribed Image Text:B. A discrete random variable X has the following probability distribution: 77 78 79 80 81 P(x) 0.15 0.15 0.20 0.40 0.10 Tabulate each of the following. 4. P(80) 5. P(x > 80) 6. P(x < 80)
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