Question 10 - Probability Distribution - Chapter 13 Class 12 Probability

Last updated at April 16, 2024 by

Ex 13.4, 10 - Find mean number of heads in three tosses of a fair coin

Ex 13.4, 10 - Chapter 13 Class 12 Probability - Part 2

Transcript

Question 10 Find the mean number of heads in three tosses of a fair coin.Question 10 Find the mean number of heads in three tosses of a fair coin.So the Probability distribution The mean number is given by 𝜇=𝐸(𝑥)=∑2_(𝑖 = 1)^𝑛▒𝑥𝑖𝑝𝑖 = 0 × 1/8+"1 ×" 3/8+ 2 × 3/8+ 3 × 1/8 = 0 + 3/8+ 6/8+3/8 = 12/8 = 3/2 = 1.5

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.