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CRE · Question #361

If the probability of a car starting on a sub-zero morning is 0.6, and we have two such cars. What is the probability that at least one of the cars will start on a sub-zero morning?

The correct answer is B. 0.84. See the full explanation below for the reasoning.

System Reliability

Question

If the probability of a car starting on a sub-zero morning is 0.6, and we have two such cars. What is the probability that at least one of the cars will start on a sub-zero morning?

Options

  • A0.92
  • B0.84
  • C0.81
  • D0.60

How the community answered

(18 responses)
  • A
    6% (1)
  • B
    78% (14)
  • C
    6% (1)
  • D
    11% (2)

Topics

#parallel redundancy#probability calculation#at-least-one reliability

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