statistics

the scheduled commuting time on Long Island Rail Road from Glen Cove to New York is 65 minutes. Suppose that the actual commuting time is uniformly distributed between 64 and 74 minutes. What is the probability that the commuting time will be a) less than 70 minutes B) between 65 and 70 minutes c) greated than 65 minutes D) what are the mean and standard deviation of the commuting time

  1. 6
asked by ann
  1. This problem has been posted and responded to previously.

    If the times are "uniformly distributed," this means that the frequencies for all times are equal. Do you mean normally distributed?

    posted by PsyDAG
  2. no uniformly distribution

    posted by ann
  3. The scheduled commuting time on the Long Island Railroad from Glen Cove to New York City is 65 minutes. Suppose that the actual commuting time is uniformly distributed between 64 and 74 minutes. What is the probability that the commuting time will be
    a. less than 70 minutes?
    b. between 65 and 70 minutes?
    c. greater than 65 minutes?
    d. What are the means and standard deviation of the commuting time?

    posted by Anonymous

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