eXipes4264 eXipes4264
  • 12-01-2024
  • Mathematics
contestada

If the independent probabilities that three people A, B, and C will be alive in 30 years time are 0.4, 0.3, 0.2 respectively, the probability that in 30 years' time at least one will be alive:

a) 0.760
b) 0.880
c) 0.960
d) 0.988

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