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

Input: Consider Input: Problem: what is the probability of getting only 1 head in a single throw of four fair coins ?
Options: a ) 1 / 2 , b ) 3 / 8 , c ) 1 / 4 , d ) 1 / 5 , e ) 5 / 8

Output: c

Input: Consider Input: Problem: 4 dice are thrown simultaneously on the board . find the probability show the same face ?
Options: a ) 2 / 113 , b ) 1 / 215 , c ) 1 / 216 , d ) 3 / 113 , e ) 4 / 113

Output: c

Input: Consider Input: Problem: 5 letters have to be put in 5 different envelopes numbered 1 through 5 such that each of the letters go into only 1 envelope . the letter is said to be put in correct position if for example letter 1 goes into envelope 1 . now what is the probability that all letters be put into wrong envelopes ?
Options: a ) 1 / 3 , b ) 2 / 3 , c ) 11 / 120 , d ) 11 / 30 , e ) 76 / 120
Output: d