STAT 400 Midterm: STAT400 PILACHOWSKI-T SPRING2015 0101 MID EXAM 1

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Stat 400 exam 2 (4. 3 5. 4) [pilachowski: counting front and back as one page, number the pages in your answer booklet 1 through 8. Answer question 1 on answer page 1, question 2 on answer page 2, etc. You must show all appropriate work in order to receive full credit for an answer: before handing in your test: on the cover of the answer booklet, please copy the pledge and sign. Answer question 1 on answer page 1: (10 points) an experiment has the probability distribution given in the table below. A sample of size 49 is randomly selected from the population. Give a numeric answer rounded to 2 decimal places. Answer question 3 on answer page 3: (8 points) an insurance company knows that major flooding occurs in a town on average every five years, and there is reason to believe that the probability is exponentially distributed.