The probability that a patient visiting a dentist will have a tooth extract 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 as well as cavity filled is 0.03. what is the probability of that a patient has either a tooth extracted or a cavity filled?

The probability that a person visiting a zoo will see the girafee is 0.72, the probability that he will see the bears is 0.84 and the probability that he will see both is 0.52.

If a person visits his dentist, suppose the probability that he will have his teeth cleaned is 0.48, the probability that he will have cavity filled is 0.25, probability that he will have a tooth extracted is 0.20, the probability that he will have teeth cleaned and cavity filled is 0.09, the probability that he will have his teeth cleaned and a tooth extracted is 0.12, the probability that he will have as cavity filled and tooth extracted is 0.07, and the probability that he will have his teeth cleaned, cavity filled , and tooth extracted s 0.03. What is the probability that a person visiting his dentist will have at least one of these things done to him?

The probability that a man will hit a target in shooting practise is 0.3 . If he shoots 10 times, the probability that he hits the target , is

The probability that Sunil will recelve a D in is matchematics course is 0.61 and the probability that he will receive a C is 0.28. What is the probability tat Sunil will receive a C or D in mathematics ?

If the probability that Mike will miss at least one of ten jobs assigned to him is 0.55, then what is the probability that he will do all ten jobs?

The probability that two boys do not have the same birthday is 0.897. What is the probability that the two boys have the same birthday ?

The probability that a certain person will buy a shirt is 0.2, the probability that he will buy a trouser is 0.3, and the probability that he will buy a shirt given that he buys a trouser is 0.4. Find the probability that he will buy both a shirt and a trouser. Find also the probability that he will but a trouser given that he buys a shirt.

The probability of a man hitting a target is 0.25. He shoots 7 times. What is the probability of his hitting at least twice?

The probability of a man hitting a target is 0.25. He shoots 7 times. What is the probability of his hitting at least twice?

If the probability for A to fail in an examination is 0.2 and that for B is 0,3 , then the probability that either A or B fails is