Every 3 out of 1000 usb sticks is bad. If an employee randomly selects 10. What...

Question

Question

Every 3 out of 1000 usb sticks is bad. If an employee randomly selects 10. What is the probability that one or more is bad?

Answer 1

Answer #1

Probability that usb stick is bad, p = 3/1000 = 0.003

Probability that usb stick is not bad, p = 1- 0.003 = 0.997

Sample size, n = 10

Probability that one or more is bad, P(x >=1) = 1- P(none is bad)

$1 - (0.997)10$

$1-0.97040.0296$

Answer 2

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