Q2: The diameter of the dot produced by a printer is normally distributed with a mean diameter of 0.002 inch and a standard deviation of 0.0004 inch. (a) What is the probability that the diameter of a dot exceeds 0.0026? (b) What is the probability that a diameter is between 0.0014 and 0.0026? (c) What standard deviation of diameters is needed so that the probability in part (b) is 0.995?

Q2: The diameter of the dot produced by a printer is normally distributed with a mean diameter of 0.002 inch and a standard deviation of 0.0004 inch. (a) What is the probability that the diameter of a dot exceeds 0.0026? (b) What is the probability that a diameter is between 0.0014 and 0.0026? (c) What standard deviation of diameters is needed so that the probability in part (b) is 0.995?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

I need the answer as soon as possible

Q2: The diameter of the dot produced by a printer is
normally distributed with a mean diameter of 0.002 inch
and a standard deviation of 0.0004 inch.
(a) What is the probability that the diameter of a dot
exceeds 0.0026?
(b) What is the probability that a diameter is between
0.0014 and 0.0026?
(c) What standard deviation of diameters is needed so that
the probability in part (b) is 0.995?

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