Fortune Telling Collection - Free divination - Ask for help with a probability problem
Ask for help with a probability problem
If the occurrence of event b inevitably leads to the occurrence of a.
=>b is a subset of a.
P (This man won the lottery | The fortune teller said he would win the lottery this time)
=P (this man won the grand prize, and the fortune teller said he won the grand prize in this meeting) /P (the fortune teller said he won the grand prize in this meeting)
=P 1 -P (this person won't win the grand prize and the fortune teller said he would win the grand prize this time) /P (the fortune teller said he would win the grand prize this time)
=(p 1-( 1-p 1). p2)/p2
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