Ina certain town, 40% of the people have brown hair, 25% have brown eyes, and 15% have both brown hair and brown eyes. If a person selected at random from the town has brown hair, the probability that he also has brown eyes is `1//5` b. `3//8` c. `1//3` d. `2//3`

In a city 40% persons have gray hair, 25% person have gray eyes and 15% person have gray hair as well as gray eyes. One person is selected at random then ........ is the probability of an event that person has gray hair and gray eyes.

In a certain town, 40 % residents have computers, 25 % have internet connections and 15 % have both computer and internet connection. A resident is selected at random from the town. Then (i) If he has a computer, then what is the probability that he has internet connection also ? (ii) If he has an internet connection, then determine the probability that he does not have a computer.

Thirty percent of the 20 people in the math club have blonde hair. If 3 people are selecfted at random from the club what is the probability that none has blonde hair?

In a certain population,10% of the people are rich,5% are famous,and 3% are rich and famous.Then find the probability that a person picked at random from the population is either famous or rich but not both.

In a town 40% people read Eenadu. 25% people read Jyothi and 15% people read both. A person chosen at random from the town. The probability that the person chosen read Jyothi but not Enadu is

A bag contains 20 coloured balls . 8 are red , 6 are blue ,3 are green ,2 are white and 1 is brown. A ball is chosen at random from the bag . What is the probability that ball chosen is : brown

A bag contains 20 coloured balls . 8 are red , 6 are blue ,3 are green ,2 are white and 1 is brown. A ball is chosen at random from the bag . What is the probability that ball chosen is : not brown