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a) P(red1)=P(red1|dice1)P(dice1) + P(red2|dice2)P(dice2) + P(red3|dice3)P(dice3)  
 
a) P(red1)=P(red1|dice1)P(dice1) + P(red2|dice2)P(dice2) + P(red3|dice3)P(dice3)  
  
b) P(red2<math></bigcap>red1)
+
b) P(red2<bigcap>red1)

Revision as of 18:37, 16 September 2008

tip: first we need to fin


a) P(red1)=P(red1|dice1)P(dice1) + P(red2|dice2)P(dice2) + P(red3|dice3)P(dice3)

b) P(red2<bigcap>red1)

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