Representation of Sets

Sets can be represented in two ways: Roster Form In roster form, all the elements of the set are listed, separated by commas and enclosed between curly braces { }.  Example: If set represents all the leap years between the…

Definition of Sets

As we have already learned in the introduction, set is a well-defined collection of objects or people. Sets can be related to many real-life examples, such as the number of rivers in India, number of colors in a rainbow, etc. …

Set Theory

Set Theory is a branch of mathematical logic where we learn sets and their properties. A set is a collection of objects or groups of objects. These objects are often called elements or members of a set. For example, a group…

Example 3

Example 3: What is the probability that Ram will choose a marble at random and that it is not black if the bowl contains 3 red, 2 black and 5 green marbles. Solution: Total number of marble = 10 Red and…

Example 2

Example 2: A bucket contains 5 blue, 4 green and 5 red balls. Sudheer is asked to pick 2 balls randomly from the bucket without replacement and then one more ball is to be picked. What is the probability he picked…

Example 1

Example 1: Find the mean and mode of the following data: 2, 3, 5, 6, 10, 6, 12, 6, 3, 4. Solution: Total Count: 10 Sum of all the numbers: 2+3+5+6+10+6+12+6+3+7=60 Mean = (sum of all the numbers)/(Total number of items)…

Solved Examples

Here are some examples based on the concepts of statistics and probability to understand better. Students can practice more questions based on these solved examples to excel in the topic. Also, make use of the formulas given in this article…