Mathematics, 08.10.2019 04:00 lashaydews12
An urn has 5 red, 10 green and 15 yellow marbles. a simple random sample of 5 marbles is taken from this urn. let x denote the number of yellow marbles in the sample. (a) what is the expectation and the standard deviation of x? (b) what is the probability to have exactly 2 yellow marbles in the sample?
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An urn has 5 red, 10 green and 15 yellow marbles. a simple random sample of 5 marbles is taken from...
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