Suppose the probability distribution of x, the number of defective tires on a randomly selected car checked at a certain inspection station, is given in the following table. x 0 1 2 3 4 p(x) 0.47 0.18 0.07 0.06 0.22 (a) Calculate the mean value of x. (b) What is the probability that x exceeds its mean value?
Suppose the probability distribution of x, the number of defective tires on a randomly selected car checked at a certain inspection station, is given in the following table. x 0 1 2 3 4 p(x) 0.47 0.18 0.07 0.06 0.22 (a) Calculate the mean value of x. (b) What is the probability that x exceeds its mean value?
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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Question
Suppose the probability distribution of x, the number of defective tires on a randomly selected car checked at a certain inspection station, is given in the following table.
x | 0 | 1 | 2 | 3 | 4 |
---|---|---|---|---|---|
p(x)
|
0.47 | 0.18 | 0.07 | 0.06 | 0.22 |
(a)
Calculate the mean value of x.
(b)
What is the probability that x exceeds its mean value?
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