Part 1. Definition
In this task, you need to provide the correct option for a given problem on probability from the provided options.
Part 2. Example
Problem: in a throw of a coin find the probability of getting a tail ? 
Options: a ) 1 / 2 , b ) 1 / 3 , c ) 1 / 4 , d ) 2 / 5 , e ) 2 / 7
Answer: a
Explanation: "s = { h , t } e = { t } p ( e ) = 1 / 2 answer is a"
Part 3. Exercise
Problem: the chance of rain on any given day in tel - aviv is 50 % . what is the probability z that it rained in tel - aviv on exactly 4 out of 6 randomly chosen days ? 
Options: a ) 15 / 64 , b ) 30 / 64 , c ) 1 / 2 , d ) 1 / 4 , e ) 52 / 64
Answer:
a