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16 October, 18:34

7. A battery manufacturer makes batteries that have a failure rate of. 015. That is, 15 out of each 1,000 batteries are defective. What is the probability that a batch of 10,000 batteries will contain at least 175 defective batteries?

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  1. 16 October, 20:37
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    The answer to this probability question is. 86 or 86%. The probability that a batch of 10,000 batteries will contain at least 175 defective batteries is 86 percent. I calculated the failure rate of 10,000 batteries (10k*.015) and yielded 150, meaning there will be 150 batteries that will be defective in a set of 10,000. Then i divided 150 by 175 to get the probability.
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