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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> | + | b) P(red2<math></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) $