P(x) 0 0.3 1 0.15 2 0.05 3 0.5 Find the mean of this probability distribution. Round your answer to one decimal place.

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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1.

 

x P(x)
0 0.3
1 0.15
2 0.05
3 0.5


Find the mean of this probability distribution. Round your answer to one decimal place.
 
2.   
Probability Scores
0.2 0
0.05 2
0.15 3
0.05 8
0.1 11
0.3 12
0.15 14


Find the expected value of the above random variable.    
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