Probability of an on-time delivery in los angeles

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Reference no: EM131820161

The Los Angeles Times (June 14, 1995) reported that the U.S. Postal Service is getting speedier, with higher overnight on-time delivery rates than in the past. The Price Waterhouse accounting firm conducted an independent audit by seeding the mail with letters and recording on-time delivery rates for these letters. Suppose that the results were as follows (these numbers are fictitious but are compatible with summary values given in the article):

667_U.S. Postal Service is getting speedier.png

Use the given information to estimate the following probabilities.

a. The probability of an on-time delivery in Los Angeles

b. The probability of late delivery in Washington, D.C.

c. The probability that two letters mailed in New York are both delivered on time

d. The probability of on-time delivery nationwide

Reference no: EM131820161

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