Question-5

Which of the following is/are a random experiment?

• Tossing two coins.
• Rolling a die.
• Guessing an answer in multiple choice questions.
• Choosing a number at random from 1 to 20.

Hint

Use the definition of random experiment.

Answer

• Tossing two coins.
• Rolling a die.
• Guessing an answer in multiple choice questions.
• Choosing a number at random from 1 to 20.

Solution

Random experiment is an experiment in which outcome of the experiment cannot be predicted with certainty. And, we cannot predict the outcomes of all of the four options with certainty.