S P(A/B) = A Let event A = Student belongs to at least one club on campus and event B = Student participates in team sports on campus P(B|A) = ANB At AnyTown Polytechnic College, 42% of students belong to a campus club, 38% of students participate in team sports, and 5% belong to at least one campus club and participate in team sports. Compute the probabilities requested below. Round all probabilities to four decimal places, as needed. P(An B)= P(ANB) = B
S P(A/B) = A Let event A = Student belongs to at least one club on campus and event B = Student participates in team sports on campus P(B|A) = ANB At AnyTown Polytechnic College, 42% of students belong to a campus club, 38% of students participate in team sports, and 5% belong to at least one campus club and participate in team sports. Compute the probabilities requested below. Round all probabilities to four decimal places, as needed. P(An B)= P(ANB) = B
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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Step 1
B : student participates in team sports on campus
P(A) = 0.42P(B) = 0.38P(A∩B) = 0.05
Step 2
(a) P(A|B) = P(A∩B)P(B) = 0.050.38 = 0.1316
(b) P(B|A) = P(A∩B)P(A) = 0.050.42 = 0.1190
(c) P(A∩B) = 0.05
(d) P(A∩B¯) = 1 - P(A∩B) = 1 - 0.05 = 0.95
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