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A high school class has 150 students. 120 of them passed the MATH test; 20 students of the whole class failed the STAT test, and 105 students passed both the tests. A student is selected at random from the class. The probability that he/she failed both the tests is Select one: a. 21/30 b. 5/30 c. 3/30 d. 1/30 e. None of the above

A high school class has 150 students. 120 of them passed the MATH test; 20 students of the whole class failed the STAT test, and 105 students passed both the tests. A student is selected at random from the class. The probability that he/she failed both the tests is Select one: a. 21/30 b. 5/30 c. 3/30 d. 1/30 e. None of the above

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A high school class has 150 students. 120 of them passed the MATH test; 20 students of the whole class failed the STAT test, and 105 students passed both the tests. A student is selected at random from the class. The probability that he/she failed both the tests is Select one: a. 21/30 b. 5/30 c. 3/30 d. 1/30 e. None of the above

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refer to the above question 1. if a student is selected at random then the probability that he/she has passed only one test (either math or state, bot not both) is

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