angiekasoa angiekasoa

09-11-2022
Mathematics

contestada

Records of a certain Insurance firm show that domestic insurance premiums taken by clients are normally distributed with mean ksh55000 and standard deviation ksh25000.
i) Determine the probability of a client taking a premium of of at most ksh66000.
(ii) Determine the number of clients in a sample of400 whose premiums are at least ksh104000.

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