- A1/4
- B1/8
- C1/16
- D15/16
Step-by-Step Solution
The first three tosses must be tails and the fourth a head: (1/2) × (1/2) × (1/2) × (1/2) = 1/16.
Answer: C) 1/16
A fair coin is tossed repeatedly until a head appears. What is the probability that the first head appears on the fourth toss?
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