In a 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.

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 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.

Out of 10 girls in a class, 3 have blue eyes. If two girls are chosen at random, then the probability that neither has blue eyes, is

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

In a town 40% people read a news paper A, 30% people read another news paper B and 20% people read both. A person is chosen at random from the town. The probability that the person chosen read only one paper is

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