dmsmith3332 dmsmith3332
  • 23-01-2024
  • Mathematics
contestada

A biased coin with probability p, 0 < p < 1 of heads is tossed until a head appears for the first time. If the probability that the number of tosses required is even is 2/5, then p is equal to
A) 1/2
B) 2/3
C) 3/4
D) 4/5

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