Which of the following can definitely be said about the king?
(A) He was compassionate.
(B) He was deceitful.
(C) He loved animals.
Which of the following can definitely be said about the elephant-keeper?
(A) He was greedy.
(B) He was insensitive.
(C) He was brave.
The probability that a patient visiting a dentist will have a tooth extracted is 0.06, the probability that he will have a cavity filled is 0.2, and the probability that he will have a tooth extracted or a cavity filled is 0.23. What is the probability that he will have a tooth extracted as well as a cavity filled ?