Question

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If we toss a coin and get heads we toss the coin again, whereas if we get tails then we stop. What is the probability that the
coin will be tossed 3 times and stopped on the 4th try?​

Answer 1

Step-by-step explanation:

coin tossed 3 times means 2 heads 1 tail.

probability of getting 2 heads and 1 tail is

1/2 × 1/2×1/2=1/8