In a sample study of 640 people, it was found that 512 people have a high school certificate. If a person is selected at random, the probability that the person has a high school certificate is :

In a sample study of 642 people, it was found that 514 people have a high school certificate. If a person is selected at random, the probability that the person has a high school certificate, is

In a sample study of 642 people, it was found that 514 people have a high school certificate. If a person is selected at random, the probability that the person do not have a high school certificate is

In a sample survey of 645 people , it was found that 516 people have a high school certificate . If a person is chosen at random , what is the probability that he/she has a high school certificate ?

In a general survey of 832 people, it was found that 624 owned a car. If a person is selected randomly. what is the probability that the person will not be an owner of a car?

A recent survey found that the edges ages of workers in a factory as follow. If a person is selected at random, find the probability that the person 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

Four married couples have gathered in a room. Two persons are selected at random from amongst them.Find the probability that the selected persons are

In a survey of 300 volunteers, the following data is obtained : A people is chosen at random. Find the probability that the chosen person (i)is a male (ii) is a female

Suppose that 10% of men and 5% of women have grey hair. A grey haired person is selected at random. What is the probability that the selected person is male assuming that there are 60% males and 40% females

A survey of 250 girls of a school was conducted and it was found that 105 girls like tea while 145 dislike it . Out of these girls , one girl is selected at random . What is the probability that the selected girl (i) likes tea , (ii) does not like tea ?