Question

Q1/

A batch of printed circuit cards is populated with semiconductor chips with 25% are defective cards. Five of these are selected randomly for function testing.The random variable X has a binmial distribution.

Find the probability that we get exactly one defective card

0.564

0.395

0.764

0.987

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Q2/

A batch of printed circuit cards is populated with semiconductor chips with 45% are defective cards. Five of these are selected randomly for function testing . The random variable X has a binomial distribution

Find the probability that we get at least 5 defectives cards

0.00097 0.0184 0.0033 0.085

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Q3/

A batch of printed circuit cards is populated with semiconductor chips with 35% are defective cards. Five of these are selected randomly for function testing. The random variable X has a binomial distribution.

Find the probability that we get less than 5 defective cards

0.199
		0.564
		0.342
		0.994

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Q4/

The mean number of typing errors in a document is 6 per page. The random variable X has a Poisson distribution. Find the probability that in a 3 pages chosen at random there are 10 mistakes

0.192
		0.352
		0.014
		0.74

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Q5/

The mean number of typing errors in a document is 4 per page. The random variable X has a Poisson distribution. Find the probability that in a 2 pages chosen at random there are more than one mistake

0.6765
		0.9996
		0.294
		0.753

Answer 1

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