Problem (3): In a certain college town, 25% of the students failed Mathematics, 15% failed Chemistry, and 10% failed both Mathematics and Chemistry. A student is selected at random: a) If the student failed Chemistry, what is the probability that he/she failed Mathematics? b) What is the probability that the student failed Mathematics or Chemistry? c) What is the probability that the student failed neither Mathematics nor Chemistry? Let M denotes to Mathematics and let C denotes to Chemistry.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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solve question 3 please
Problem (2):
In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What
is the probability that it is neither red nor green?
Problem (3):
In a certain college town, 25% of the students failed Mathematics, 15% failed
Chemistry, and 10% failed both Mathematics and Chemistry. A student is selected at
random:
a) If the student failed Chemistry, what is the probability that he/she failed
Mathematics?
b) What is the probability that the student failed Mathematics or Chemistry?
c) What is the probability that the student failed neither Mathematics nor
Chemistry?
Let M denotes to Mathematics and let C denotes to Chemistry.
Transcribed Image Text:Problem (2): In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green? Problem (3): In a certain college town, 25% of the students failed Mathematics, 15% failed Chemistry, and 10% failed both Mathematics and Chemistry. A student is selected at random: a) If the student failed Chemistry, what is the probability that he/she failed Mathematics? b) What is the probability that the student failed Mathematics or Chemistry? c) What is the probability that the student failed neither Mathematics nor Chemistry? Let M denotes to Mathematics and let C denotes to Chemistry.
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