Math assignment help

Industry standards suggest that 8 percent of new vehicles require warranty service within the first year. Jones Nissan in Sumter, South Carolina, sold 12 Nissans yesterday. (Round your mean answer to 2 decimal places and the other answers to 4 decimal places.)
a. What is the probability that none of these vehicles requires warranty service?
  Probability [removed]


b. What is the probability exactly one of these vehicles requires warranty service?
  Probability [removed]


c. Determine the probability that exactly two of these vehicles require warranty service.
  Probability [removed]


d. Compute the mean and standard deviation of this probability distribution.
  Mean µ  [removed]
  Standard deviation σ  [removed]

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