17. After manufacture, computer disks are tested for errors. Let X be the number of errors detected on a randomly chosen disk. The following table presents values of the cumulative distribution function F(x) of X. F(x) 0.41 0.72 2 0.83 0.95 3 4 1.00 a. What is the probability that two or fewer errors are detected? b. What is the probability that more than three errors are detected? c. What is the probability that exactly one error is detected? d. What is the probability that no errors are detected?

A First Course in Probability (10th Edition)
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17. After manufacture, computer disks are tested for errors. Let X be the number of errors
detected on a randomly chosen disk. The following table presents values of the
cumulative distribution function F(x) of X.
F(x)
0.41
0.72
2
0.83
0.95
3
4
1.00
a. What is the probability that two or fewer errors are detected?
b. What is the probability that more than three errors are detected?
c. What is the probability that exactly one error is detected?
d. What is the probability that no errors are detected?
Transcribed Image Text:17. After manufacture, computer disks are tested for errors. Let X be the number of errors detected on a randomly chosen disk. The following table presents values of the cumulative distribution function F(x) of X. F(x) 0.41 0.72 2 0.83 0.95 3 4 1.00 a. What is the probability that two or fewer errors are detected? b. What is the probability that more than three errors are detected? c. What is the probability that exactly one error is detected? d. What is the probability that no errors are detected?
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