mukiha wrote:@ProverB: the answer is simple, really... the possible outcomes are (1) he will miss next lesson, (2) he will not miss next lesson.
There is no other possible outcome!
Therefore, the probability that he will miss the next lesson is 50%!
Jesus, if this is the probability we use, have mercy on us.
What i see in this answer is the effect of missing stats class for 15 days in every 20.
"The opportunity of a lifetime must be seized during the lifetime of the opportunity."