In a group of people the expected number who wear glasses is two and the variance is
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In a group of people the expected number who wear glasses is two and the variance is 1.6. Find the probability that
(a) a person chosen at random from the group wears glasses,
(b) six people in the group wear glasses.
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Related Book For
A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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