A go/no-go device is tested until it fails. If X is the number of tests to first failure with no wear out present, and the probability of success on each test is .99, then the probability that X is…

The correct answer is A. 0.9510. See the full explanation below for the reasoning.

System Reliability

Question

A go/no-go device is tested until it fails. If X is the number of tests to first failure with no wear out present, and the probability of success on each test is .99, then the probability that X is greater than 5 is:

Options

A0.9510
B0.9410
C0.9310
D0.9610

How the community answered

(44 responses)

A
75% (33)
B
16% (7)
C
2% (1)
D
7% (3)

Topics

#geometric distribution#probability calculation#reliability testing#go/no-go

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