Class 11 Mathematics - Chapter Probability NCERT Solutions | An experiment consists of rolling a die

Welcome to the NCERT Solutions for Class 11th Mathematics - Chapter Probability. This page offers a step-by-step solution to the specific question from Exercise 1, Question 14: an experiment consists of rolling a die and then t....
Question 14

An experiment consists of rolling a die and then tossing a coin once if the number on the die is even. If the number on the die is odd, the coin is tossed twice. Write the sample space for this experiment.

Answer

A die has six faces that are numbered from 1 to 6, with one number on each face. Among these numbers, 2, 4, and 6 are even numbers, while 1, 3, and 5 are odd numbers.

A coin has two faces: head (H) and tail (T).

Hence, the sample space of this experiment is given by:

S = {2H, 2T, 4H, 4T, 6H, 6T, 1HH, 1HT, 1TH, 1TT, 3HH, 3HT, 3TH, 3TT, 5HH, 5HT, 5TH, 5TT}

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