Friday
October 24, 2014

Homework Help: statistics

Posted by kim on Saturday, March 26, 2011 at 11:50pm.

An auditor of Health Maintenance Services reports 40 percent of policyholders 55 years and older submit a claim during the year. Fifteen policyholders are selected at random for company records.
a)how many of the policyholders would you expect to have filed a claim within the last year?
b)what is the probability that 10 of the selected policyholders submitted a claim last year?
c)what is the probability that 10 or more of the selected policyholders filed a claim last year?
d)what is the probability that more than 10 of the selected policyholders filed a claim last year?

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