instruction:
In this task, you need to provide the correct option for a given problem on probability from the provided options.
question:
Problem: persons a and b . person a picks a random no . from 1 to 1000 . then person b picks a random no . from 1 to 1000 . what is the probability of b getting no . greater then what a has picked . 
Options: a ) 0.3995 , b ) 0.4995 , c ) 0.5995 , d ) 0.6995 , e ) 0.7995
answer:
b


question:
Problem: two unbiased coins are tossed . find the probability of getting at most one head ? 
Options: a ) 1 / 2 , b ) 3 / 4 , c ) 2 / 5 , d ) 2 / 3 , e ) 1 / 4
answer:
b


question:
Problem: what is the probability that company g ' s advertisement will be one of the first two be shown during the first commercial break ? 
Options: a ) 1 / 225 , b ) 1 / 30 , c ) 1 / 15 , d ) 2 / 15 , e ) 4 / 15
answer:

d