Sec 3/4 E Math T13-Q30 - Repeated independent events

Sec 3/4 E Math T13-Q30 - Repeated independent events

Secondary 3
Original parallel to Sec3&4 E Math FA

The probability that Hana wins a game is \(\dfrac{2}{7}\). The outcomes of successive games are independent. She plays two games.

  1. Find the probability that she wins both games.
  2. Find the probability that she wins exactly one game.
  3. Find the probability that she wins at least one game.

Solution:

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Answer:(a) \(\frac4{49}\). (b) \(\frac{20}{49}\). (c) \(\frac{24}{49}\).

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