A telephone company has found that the length of its long-distance telephone calls is normallydistributed, with a mean of 225s and a standard deviation of 55s. What is the probability thatthe length of the long-distance calls isа.Greater that 219s?b. In between 190 and 225s?(Use standard normal distribution table)

The standard normal distribution, also called the z-distribution, is a special normal distribution…

Answered: A telephone company has found that the…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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