GHA 4 - STT200 Section________ Graded HA # 4...

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Unformatted text preview: STT200 Section________ Graded HA # 4 Name_______________________, Summer B, 2008 Please write or mark the section number (-1 pt. if missing) Number of points for each problem is in brackets [ ]. SHOW YOUR WORK ! 1) A biology professor responds to some student questions by e-mail. The probability model below describes the number of e-mails that the professor may receive from students during a day. a. [2] How many e-mails should the professor expect to receive each day? .. b. [2] What is the standard deviation? c. [2] If it takes the professor an average of ten minutes to respond to each e-mail, how much time should the professor expect to spend responding to student e-mails each day? .. 2) The American Veterinary Association claims that the annual cost of medical care for dogs averages $100 with a standard deviation of $30, and for cats averages $120 with a standard deviation of $35....
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This note was uploaded on 07/25/2008 for the course STT 200 taught by Professor Dikong during the Summer '08 term at Michigan State University.

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GHA 4 - STT200 Section________ Graded HA # 4...

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