Math 3C Midterm 2 Spring 2010 (2).pdf

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5. (10 points) A random experiment consists of rolling a fair six-sided die until the first falling olI the tree before harvest. What is the probability that there are at le&Bt. 10 4. (10 points) A tree haB 12 peaches. Each peach (independently) has a 1/5 chance of time that a 5 or a 6 appears. Find the probability that the first 5 or 6 appears on the ninth trial. peaches left at harvest time? ( \.1 \ /.::l. \IV(~ \i (\ 1.) h \"/.L \{ (12.) (.4 \12 7 fIt ID\- '(" ) . \ iO ) \ :;-) , S.I ~ \ II ~) l~ ) ~ \2 ~) 17 (\ , \ , \ ~o.(\) CI(\Y( ~) I ----~--- --_t -t \U }l \ j \,- t I
-- 1 ~ ( 7. (10 points) Micha.el rolls a fair six-sided die 100 times. What is the probability that his 6. (10 points) Victoria is a carrier for hemophilia. and Albert is not hemophilic. They third 6 comes up on the thirteenth roll? have 9 children. What is the probability that 3 of them are daughters, 4 of them are hemophilic SODS, and 2 of them are non-hemophilic BODS? Xx It- 1-) f f-; '" X Xy x~ . L (\ - V I p7 ( 1 X1 'Ii ' -L (J.i 7 ( ~)~ {W \ :):'4','2', \ Lj ----., / \ (!~1L~,\°tb 1 1 't-- i --( '6

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Math 3c Midterm 2 Lecture 2 Spring 2010 Name: t\ lU:j \ <-11 N lA.l +-"L eo \ Section: l.E ; 'u.e.so.Q~ '2.:\')\)-3:.0000\ .'£,~ad Signature: 1~ /h~· BII signing abotJe, I cerf.ihl that the worIc appearing on this aam is mil DUm. Instructions: There are 1 problems. Make sure you are not missing any pages.
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