Small metal springs are packed in boxes of 100 and 0.5% of the total output of springs are defective. Determine the probability that any one box chosen at random shall have (a) no defective, (b) 2 or more defectives.

Small metal springs are packed in boxes of 100 and 0.5% of the total output of springs are defective. Determine the probability that any one box chosen at random shall have (a) no defective, (b) 2 or more defectives.

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

9. Small metal springs are packed in boxes of 100 and 0.5% of the total output of springs are defective. Determine the probability that any one box chosen at random shall have
(a) no defective,
(b) 2 or more defectives.

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