Quiz_2_Questions

# Quiz_2_Questions - STAT 231 ON-LINE QUIZ 2 SPRING 2010 Due...

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STAT 231 ON-LINE QUIZ 2 SPRING 2010 Due: Monday May 16 12:00 noon Instructions: 1. Complete these questions first. 2. Enter your answers in Quiz 2 available in the Contents folder of the course web page on UW-ACE. You have one hour to complete the quiz on line once you start. Be sure to save your answers. Once saved, the answers cannot be changed. Suppose X is a discrete random variable with probability function ( ) (1/ 3) , 0,1,2,. .. x px k x == 1. The value of is (to two decimals) k 2. is (to three decimals) (5 PX ) ) 3. (to two decimals) ( PXi sodd Suppose and are independent random variables each with probability function 1 Y 2 Y y 1 2 3 4 () PY y = 1/10 2/10 3/10 4/10 4. If , find (to two decimals) 12 max( , ) WY = Y ) (3 PW = 5. Find (to two decimals) [] E W Assume customers arrive independently at a gas station at a rate of 6 per hour. Let

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Quiz_2_Questions - STAT 231 ON-LINE QUIZ 2 SPRING 2010 Due...

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