Posted by **ann** on Tuesday, January 11, 2011 at 12:30am.

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

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**PsyDAG**, Tuesday, January 11, 2011 at 1:24pm
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?

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**ann**, Friday, January 14, 2011 at 12:27pm
no uniformly distribution

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**Anonymous**, Tuesday, February 8, 2011 at 3:23pm
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?

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