Question 375910
We can't do tree diagrams on this site.
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a) (.45*.88)+(.55*.91)=.8965
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b)
.45*.12=.0540 LHB
.55*.09=.0495 LHG
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=======>.1035 Total LH
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.0495/.1035 = .478 Given that the student chosen is left handed, the probabillity that the student is a girl.
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Ed