# 2. I4] Prior to a test, 1/3 of a class of students study, and do so...

###### Question:

2. I4] Prior to a test, 1/3 of a class of students study, and do so for n hours, where 0<ns 4 (n does not have to be an integer here). The other 2/3 of the class do not study at all. Those who study have a probability of ns of passing the test, and those who do not study have a 20% chance of passing. 117096 of all students that passed the test actually studied, what is a reasonable estimate for the length of thetir have of "4 of passing the test, and those wh n+1 study time? Hint: Use Bayes' Theorem to solve

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