(iii) takes Economics or a female. (c) Two students are chosen at random, find the probability that at least one student takes Economics.

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...
icon
Related questions
Question

4.b)iii) and c)

4. In a college, there are 150 students taking courses in Mathematics, Physics and Economics.
Among the students, 92 are females. There are 48 students taking Mathematics which 28 are
females. Half of the 68 students taking Physics are females.
(a) Construct the contingency table for the given data.
(b) A student is chosen at random. Find the probability that the student
(i)
takes Economics,
(ii)
is a male, given that he takes Economics,
(iii)
takes Economics or a female.
(c) Two students are chosen at random, find the probability that at least one student takes
Economics.
Transcribed Image Text:4. In a college, there are 150 students taking courses in Mathematics, Physics and Economics. Among the students, 92 are females. There are 48 students taking Mathematics which 28 are females. Half of the 68 students taking Physics are females. (a) Construct the contingency table for the given data. (b) A student is chosen at random. Find the probability that the student (i) takes Economics, (ii) is a male, given that he takes Economics, (iii) takes Economics or a female. (c) Two students are chosen at random, find the probability that at least one student takes Economics.
Expert Solution
steps

Step by step

Solved in 4 steps

Blurred answer
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON