Out of a group of 15 students from a language school, 8 study English, 9 study French and 4 study both languages. If one is selected at random, what is the probability: a) That you study either of the two languages? b) That I only study English? c) That I did not study French

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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Question

Out of a group of 15 students from a language school, 8 study English, 9 study French and 4 study both languages. If one is selected at random, what is the probability:
a) That you study either of the two languages?
b) That I only study English?
c) That I did not study French?
d) That I don't study French and I don't study English either?
e) What does he study English if it is known that he studies French?

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