The probability that a convenience store has no iced tea is 50%. If Karl is stopping by 2 convenience stores on his way to work, what is the probability thatat least oneof the stores will not have a can of iced tea?  Choose the correct answer: A) 1/8 B) 1/4 C) 1/2 D) 3/4 E) 7/8
p=1-1/2^2(all stores have iced tea)=3/4   3/4
<result>D</result>
The probability that a convenience store has no iced tea is 50%. If Karl is stopping by 2 convenience stores on his way to work, what is the probability thatat least oneof the stores will not have a can of iced tea?