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28. a and b are two numbers chosen at random from the interval [0, 4]. Probability of quadratic polynomial x² + ax + b has a real root is ... A. ! 12 В. 25 C. 13 D. 25 3 HI N E.

28. a and b are two numbers chosen at random from the interval [0, 4]. Probability of quadratic polynomial x² + ax + b has a real root is ... A. ! 12 В. 25 C. 13 D. 25 3 HI N E.

A First Course in Probability (10th Edition)
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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28. a and b are two numbers chosen at random from the interval [0, 4]. Probability of quadratic polynomial x? + ax + b has a real root is... 12 В. 25 C. 2 13 D. 25 Е. 2 B.
Transcribed Image Text:28. a and b are two numbers chosen at random from the interval [0, 4]. Probability of quadratic polynomial x? + ax + b has a real root is... 12 В. 25 C. 2 13 D. 25 Е. 2 B.
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