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AveGali [126]
3 years ago
10

A manufacturer knows that 2%2\% 2% 2, percent of its microchips are produced with a certain defect. They decide to change their

process to make it more efficient, and they want to test if the new process has the same defect rate or not.
Mathematics
1 answer:
kirza4 [7]3 years ago
3 0

Answer: 0.0776

Step-by-step explanation:

Since the manufacturer knows that 2% of its microchips are produced with a certain defect. Then

P( defective) = 2/100 = 0.02

P( non defective) = 1 - 0.02 = 0.98

Probability of all 4 not defective will be

P(all 4 not defective) = 0.98^4 = 0.9224

Probability that at least one of the selected chip is defective will be

P(at one defective) = 1 - 0.9224

= 0.0776

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