GMAT Problem Solving

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Source: GWD

Level: 0

A string of 10 lightbulbs is wired in such a way that if any individual lightbulb fails, the entire string fails. If for each individual lightbulb the probability of failing during time period T id 0.06, what is the probability that the string of lightbulbs will fail during time period T?

  • A 0.06
  • B
  • C
  • D
  • E

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