In this task, you need to provide the correct option for a given problem on probability from the provided options.

Problem: two unbiased coins are tossed . what is the probability of getting two heads ? 
Options: a ) 1 / 2 , b ) 1 / 4 , c ) 2 / 3 , d ) 1 / 5 , e ) 2 / 7
b

Problem: find the probability that a non leap year selected at random will have 53 sundays 
Options: a ) 6 / 7 , b ) 5 / 7 , c ) 4 / 7 , d ) 3 / 7 , e ) 1 / 7
e

Problem: a , b , c , d , e sitting in a row what is the probability that a & b sitting adjacent . 
Options: a ) 1 / 5 , b ) 2 / 5 , c ) 3 / 5 , d ) 4 / 5 , e ) 6 / 5

b