A manufacturer produces widgets that are packaged in boxes of 250. The probability of a widget being defective is 0.025. Find the mean and standard deviation for the number of defective widgets in a box.

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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A manufacturer produces widgets that are packaged in boxes of

250.

The probability of a widget being defective is

0.025.

Find the mean and standard deviation for the number of defective widgets in a box.

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