Samacheer Kalvi solutions for Mathematics [English] Class 9 TN Board chapter 9 - Probability [Latest edition]

You are walking along a street. If you just choose a stranger crossing you, what is the probability that his next birthday will fall on a Sunday?

What is the probability of drawing a King or a Queen or a Jack from a deck of cards?

What is the probability of throwing an even number with a single standard dice of six faces?

There are 24 balls in a pot. If 3 of them are Red, 5 of them are Blue and the remaining are Green then, what is the probability of picking out a Blue ball?

There are 24 balls in a pot. If 3 of them are Red, 5 of them are Blue and the remaining are Green then, what is the probability of picking out a Red ball?

There are 24 balls in a pot. If 3 of them are Red, 5 of them are Blue and the remaining are Green then, what is the probability of picking out a Green ball?

When two coins are tossed, what is the probability that two heads are obtained?

Two dice are rolled, find the probability that the sum is equal to 1

Two dice are rolled, find the probability that the sum is equal to 4
 

Two dice are rolled, find the probability that the sum is less than 13

A manufacturer tested 7000 LED lights at random and found that 25 of them were defective. If a LED light is selected at random, what is the probability that the selected LED light is a defective one

In a football match, a goalkeeper of a team can stop the goal, 32 times out of 40 attempts tried by a team. Find the probability that the opponent team can convert the attempt into a goal

What is the probability that the spinner will not land on a multiple of 3?

Frame two problems in calculating probability, based on the spinner shown here.

A company manufactures 10000 Laptops in 6 months. Out of which 25 of them are found to be defective. When you choose one Laptop from the manufactured, what is the probability that selected Laptop is a good one?

In a survey of 400 youngsters aged 16-20 years, it was found that 191 have their voter ID card. If a youngster is selected at random, find the probability that the youngster does not have their voter ID card.

The probability of guessing the correct answer to a certain question is `x/3`. If the probability of not guessing the correct answer is `x/5`, then find the value of x.

If a probability of a player winning a particular tennis match is 0.72. What is the probability of the player losing the match?

1500 families were surveyed and following data was recorded about their maids at homes

A family selected at random. Find the probability that the family selected has Both types of maids

1500 families were surveyed and following data was recorded about their maids at homes

A family selected at random. Find the probability that the family selected has Part time maids

1500 families were surveyed and following data was recorded about their maids at homes

A family selected at random. Find the probability that the family selected has No maids

A number between 0 and 1 that is used to measure uncertainty is called

Probability lies between

The probability based on the concept of relative frequency theory is called

The probability of an event cannot be 

The probability of all possible outcomes of a random experiment is always equal to

If A is any event in S and its complement is A’ then P(A’) is equal to

Which of the following cannot be taken as probability of an event?

A particular result of an experiment is called

A collection of one or more outcomes of an experiment is called 

The six faces of the dice are called equally likely if the dice is