Two chips are drawn at random and without replacement from a bag containing two blue chips
and two red chips. Events A and B are defined as follows.
A: {Both chips are red}
B: {At least one of the chips is blue}
$A = B^ C ?$

Question

Two chips are drawn at random and without replacement from a bag containing two blue chips
and two red chips. Events A and B are defined as follows.
A: {Both chips are red}
B: {At least one of the chips is blue} 
$A = B^ C ?$

Quizplus · Accepted Answer

Event A (both chips are red) and event B (at least one chip is blue) are complementary events, meaning if A occurs, B cannot occur and vice versa.

Two Chips Are Drawn at Random and Without Replacement from a Bag