A coin is thrown 3 times in the air. What is the probability that one head is followed by two tails?
Created: 6 months ago | Updated: 6 days ago
Job Solution Combined Bank (সমন্বিত ব্যাংক) সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 গণিত
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The occurrence of 1H & 2T are: HTT, THT, TTH, so, n(A) = 3 Total favourable cases while a coin tossed thrice is n (S) = 23 = 8 Therefore probability of getting 2H & 1T is P(A) = 3/8.

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