3. Let A be the event that a randomly selected college student has taken a statistics course, and let B be the event that the student has taken a biology course. Suppose P(A) = 0.4, P(B) = 0.3, and P(AN B) = 0.2. %3D (a) Find the probability that a student has taken neither statistics nor biology. (b) Find the probability that a student has taken statistics but not
3. Let A be the event that a randomly selected college student has taken a statistics course, and let B be the event that the student has taken a biology course. Suppose P(A) = 0.4, P(B) = 0.3, and P(AN B) = 0.2. %3D (a) Find the probability that a student has taken neither statistics nor biology. (b) Find the probability that a student has taken statistics but not
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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Statistics question
Transcribed Image Text:2. Twenty percent of all telephones of a certain type are submitted for
service while under warranty. Of these, 60% can be repaired, whereas
the other 40% must be replaced by new units. If a company purchases
10 telephones of this type, what is the probability that exactly two will
end up being replaced under warranty?
3. Let A be the event that a randomly selected college student has taken
a statistics course, and let B be the event that the student has taken a
biology course. Suppose P(A) = 0.4, P(B) = 0.3, and P(AN B) = 0.2.
(a) Find the probability that a student has taken neither statistics
nor biology.
(b) Find the probability that a student has taken statistics but not
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