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Komok [63]
3 years ago
12

Question 6

Mathematics
1 answer:
Katena32 [7]3 years ago
3 0

The probability that both parts are defective is 6/55

<u>Step-by-step explanation:</u>

Defective parts = 4

Total parts = 11

Probability of getting a defective part = 4/11

Probability of getting defective part 2nd time = 3/10

Total probability of getting defective part both the times = (4/11) (3/10)

= (12/110)

= (6/55)

The probability that both parts are defective is 6/55

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