Three unbiased coins are tossed, what is the probability of getting at least 2 tails ?
Total cases are = 2 × 2 × 2 = 8, which are as follows [TTT, HHH, TTH, THT, HTT, THH, HTH, HHT] Favoured cases are: [TTH, THT, HTT, TTT] = 4 So required probability = 4/8 = 1/2
Total cases are = 2 × 2 × 2 = 8, which are as follows
[TTT, HHH, TTH, THT, HTT, THH, HTH, HHT]
Favoured cases are: [TTH, THT, HTT, TTT] = 4
So required probability = 4/8 = 1/2
1297 MCQ for effective preparation of the test of Probability of Word Problems section.
Read the MCQ statement: Three unbiased coins are tossed, what is the probability of getting at least 2 tails ? , keenly and apply the method you have learn through the video lessons for Probability to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 134-12901.