instruction:
In this task, you need to provide the correct option for a given problem on probability from the provided options.
question:
Problem: in a garden , there are yellow and green flowers which are straight and curved . if the probability of picking a green flower is 3 / 4 and picking a straight flower is 1 / 2 , then what is the probability of picking a flower which is yellow and curved 
Options: a ) 1 / 8 , b ) 1 / 6 , c ) 1 / 4 , d ) 3 / 4 , e ) 7 / 8
answer:
a


question:
Problem: three unbiased coins are tossed . what is the probability of getting at least 2 tails ? 
Options: a ) 0.75 , b ) 0.5 , c ) 0.25 , d ) 0.2 , e ) 0.3
answer:
b


question:
Problem: a store has 10 bottles of juice , including 5 bottles of apple juice . in the evening , 6 bottles of juice are sold one by one . what is the probability of selling 4 bottles of apple juice among the 6 bottles ? assume that every bottle has an equal chance of being bought . 
Options: a ) 2 / 7 , b ) 3 / 11 , c ) 4 / 15 , d ) 5 / 21 , e ) 6 / 25
answer:

d