12 Science CBSE Maths Answers for MCQ Probability in English

12 Science CBSE Maths Answers for MCQ Probability in English to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides 12 Science CBSE Maths Answers for MCQ Probability through Video Answers in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Probability not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Answer in a narrative video format.

Question:

A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20, 16, 18, 20, 17, 16, 19 and 20 years. One student is selected in such a manner that each has the same chance of being chosen and the age X of the selected student is recorded. What is the probability of the random variable X? Find the mean.

Answer Video in English:

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