Before a DVD player leaves

the factory, it is given a quality-control check. The probability that a DVD player
contains 0, 1, or 2 defectives are 0.90, 0.08, and 0.02, respectively. In a sample of 10
players,
(a) Find the probability that 6 have 0 defects, 3 have 1 defect, and 1 has 2 defects.
(b) Find the probability that 9 have 0 defects, 1 have 1 defect, and 0 have 2 defects.

2 answers

12
0
1
2
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