The life lengths of two transistors in an electronic circuit is a random vector (X; Y ) where X is the life length of transistor 1 and Y is the life length of transistor 2. The joint probability density function of (X; Y ) is given by fx.y(x,y) = } 2e-*+2) x20, y20 else Then the probability that the first transistor burned during the first hour and a half given that the second one lasts at least half hour equals Select one: a. 0.3669 b. 0.7772 c. 0.3935 d. 0.606 e. 0.6318
The life lengths of two transistors in an electronic circuit is a random vector (X; Y ) where X is the life length of transistor 1 and Y is the life length of transistor 2. The joint probability density function of (X; Y ) is given by fx.y(x,y) = } 2e-*+2) x20, y20 else Then the probability that the first transistor burned during the first hour and a half given that the second one lasts at least half hour equals Select one: a. 0.3669 b. 0.7772 c. 0.3935 d. 0.606 e. 0.6318
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 29CR
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