Machine-translated by Google. Questions are authored in English.
Top

Discussion

The probability of getting exactly one head in tossing a pair of coins is

  • A.1
  • B.1/3
  • C.1/2

Answer: C

Two coins give four outcomes: HH, HT, TH, TT. Exactly one head occurs in HT and TH.

\[ P = \frac{2}{4} = \frac{1}{2} \]

HT and TH are distinct outcomes because the coins are distinguishable; treating them as one would give \( \tfrac{1}{3} \).

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.