Multiple choice

What is the probability that he is donating at most 2 lakhs?

Directions: Read the following information and answer the given question.

Ram was confused about the amount that he should donate to an old-age home. He decides to toss a coin three times and decides that he will donate as many number of lakhs to the old-age home as the number of tails he gets.

  1. 1/8

  2. 3/8

  3. 5/8

  4. 7/8
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

There are 8 possible outcomes as depicted: {hhh, hht, hth, thh, htt, tht, tth, ttt} At most 2 lakhs means that tails occurs at most twice; so the possible outcomes are 7, i.e. {hhh, hht, hth, thh, htt, tht, tth}. The probability that he is donating at most 2 lakhs = 7/8. 

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