The probability distribution of x, the number of defective tires on a randomly selected automobile checked at a certain inspection station, is given in the following table. X 0 1 2 .52 .12 .08 p(x) (a) Calculate the mean value of x. Mx 3 .04 4 .24 (b) What is the probability that x exceeds its mean value? P(x > M₂) =

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7.4.1

The probability distribution of x, the number of defective tires on a randomly selected automobile checked at a certain
inspection station, is given in the following table.
=
X
p(x)
(a) Calculate the mean value of x.
μl
0
1
.52 .12
=
2
.08
3
4
.04 .24
(b) What is the probability that x exceeds its mean value?
P(x > Mx)
Transcribed Image Text:The probability distribution of x, the number of defective tires on a randomly selected automobile checked at a certain inspection station, is given in the following table. = X p(x) (a) Calculate the mean value of x. μl 0 1 .52 .12 = 2 .08 3 4 .04 .24 (b) What is the probability that x exceeds its mean value? P(x > Mx)
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