2. (a) A lot consists of (6+a) articles, 3 with minor defects, and 3 with major defects. 'a' articles are chosen at random from the lot without replacement. Compute the probability by using basic probability concepts, both articles are good.
2. (a) A lot consists of (6+a) articles, 3 with minor defects, and 3 with major defects. 'a' articles are chosen at random from the lot without replacement. Compute the probability by using basic probability concepts, both articles are good.
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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Transcribed Image Text:2. (a) A lot consists of (6+a) articles, 3 with minor defects, and 3 with major defects. 'a'
articles are chosen at random from the lot without replacement. Compute the
probability by using basic probability concepts, both articles are good.
(b) A random variable X has the probability density function given below
(x,0<x<1
f(x),
{2-x,1< x<2
Show graphically and find out the robabilities.P(-1<X < a).
| 0, otherwise
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