An unbiased coin is tossed six times in a row and four different such trials…

GATE · 2018 · ME · Set 2 · General Aptitude

An unbiased coin is tossed six times in a row and four different such trials are conducted. One trial implies six tosses of the coin. If H stands for head and T stands for tail, the following are the observations from the four trials:

(1) HTHTHT (2) TTHHHT (3) HTTHHT (4) HHHT__ __.

Which statement describing the last two coin tosses of the fourth trial has the highest probability of being correct?

  1. A.

    Two T will occur.

  2. B.

    One H and one T will occur.

  3. C.

    Two H will occur.

  4. D.

    One H will be followed by one T.

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