5. Suppose that the probability of a defect in a foot of magnetic tape is 0.002. Use the Poisson approximation to compute the probability that a 1,500-foot roll will have no defects.
5. Suppose that the probability of a defect in a foot of magnetic tape is 0.002. Use the Poisson approximation to compute the probability that a 1,500-foot roll will have no defects.
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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Need #6 and #7 please help
Transcribed Image Text:6. Suppose that the probability of a defect in a foot of magnetic tape is 0.002. Use the Poisson
approximation to compute the probability that a 1,500-foot roll will have no defects.
7. 5 cards are drawn from a well shuffled deck of cards with replacement. What is the probability
that you pick 2 spades, 1 diamond, 1 club and a heart?
8. In a recent poll, 23% of the respondents supported candidates A, 19% supported candidate B,
13% supported candidates C, and 45% were undecided. If 7 people are chosen at random, what
is the probability that 2 people support candidate A, 2 support candidate B, 1 support candidate
C and 2 are undecided?
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