At a particular hospital, records show that each day, on average, only 80% of people keep their
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At a particular hospital, records show that each day, on average, only 80% of people keep their appointment at the outpatients' clinic. Find the probability that on a day when 200 appointments have been booked,
(a) more than 170 patients keep their appointments,
(b) at least 155 patients keep their appointments.
(b) exactly 20 in a random sample of 100 people,
(c) eta 200 in a random sample of 1000 people.
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A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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