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GMAT Quantitative Reasoning Practice 307

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Diffculty: Medium

A string of 8 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 is 0.04, what is the probability that the string of lightbulbs will fail during time period T?

  • radio_button_unchecked
    (A) \( 0.04 \)
  • radio_button_unchecked
    (B) \( (0.04)^8\)
  • radio_button_unchecked
    (C) \( 1- (0.04)^8\)
  • radio_button_unchecked
    (D) \( (0.96)^8\)
  • radio_button_unchecked
    (E) \( 1- (0.96)^8\)
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