A factory producing countertop materials inspects each produced slab for defects (or imperfections). The average number of def per…

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A factory producing countertop materials inspects each produced slab for defects (or imperfections). The average number of def

per slab is 2.94.

1. When they inspect a slab, what is the probability that they find no defects? [

2. When they inspect a slab, what is the probability that they find at least 1 defects?

3. When they inspect a slab, what is the probability that they find 2 or fewer defects?

4. What is the standard deviation of the number of defects?

5. If they find more than 5 defects in a slab, they consider it defective and scrape it. What is the probability that a slab is consid

defective?

Expert Answer:

Answer rating: 100% (QA)

we can assume that the number of defects per slab follows a Poisson distribution with an average rat

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