Mathematics, 22.10.2019 10:00 JamesDelia
Amanufacturer of batteries knows that 10% of the batteries produced by a particular production line are defective. a sample of 200 batteries is removed for testing.
a) what is the probability that exactly 20 batteries in the sample are defective?
[2 marks]
b) what is the probability that at least 20 batteries in the sample are defective?
[7 marks]
Answers: 2
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Amanufacturer of batteries knows that 10% of the batteries produced by a particular production line...
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