Test 3 VerB Solutions

Test 3 VerB Solutions - STAT 230 Test #3 Oct 23, 2008 3:30...

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STAT 230 Test # 3O c t 2 3 , 2008 3 : 30 4 : 15 pm mark ____/ 25 B Name : Student I . D : UW computer userid : Circle your section and time slot : 1 . McLeish ( 12 : 30 ) 2 . McLeish ( 12 : 30 ) 3 . Freire ( 1 : 30 ) [ 12 ] 1 . Short Answers ( True - False or fill in the blank ) Fill in the answer or circle which of the following are True ( T ) or False ( F ) in the box provided. a. If E X 2and E X 2 6, then E  X 1 2 __3________ b. If var X 2 then var 5 X 3 ____50______ c. Consider a random variable X taking positive integer values with probability function f x x 7 ,fo r x 1,2,4. Then E X ____3______ d. If a random variable X has a uniform distribution on 1,2,3,4 , then E X is an integer. T F e. Consider a random variable X taking positive integer values with probability function f x x 7 ,fo r x 1,2,4. Then Var X 1 8 64 7 9
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This note was uploaded on 10/21/2010 for the course STAT 230 taught by Professor Various during the Fall '06 term at Waterloo.

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Test 3 VerB Solutions - STAT 230 Test #3 Oct 23, 2008 3:30...

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