Tut Outcome (X) 5 tuts <5 tuts Pass 0.51 0.27 Fail 0.05 0.17 Attendance(

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter2: Mathematics For Microeconomics
Section: Chapter Questions
Problem 2.16P
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Question 1
For the population of ECO242 students in 2022, the table below gives the proportions (joint distribution) of
students who did (or did not) attend all tutorials (Y) and students who passed (or failed) the course.
A.
Given that
B.
Outcome (X) 5 tuts
0.51
0.05
Pass
Fail
f(x = Pass, y = 5 tuts) = 0.51
What is the product of f(x = pass) and f(y = 5 tuts)?
C.
Tut Attendance (Y)
<5 tuts
0.27
0.17
Click to see additional instructions
The probability that a student passes the course given that they've attended 5 tuts is?
Are X and Y independent?
A. Yes
B. No
OC. There is insufficient information to make a determination.
Transcribed Image Text:Question 1 For the population of ECO242 students in 2022, the table below gives the proportions (joint distribution) of students who did (or did not) attend all tutorials (Y) and students who passed (or failed) the course. A. Given that B. Outcome (X) 5 tuts 0.51 0.05 Pass Fail f(x = Pass, y = 5 tuts) = 0.51 What is the product of f(x = pass) and f(y = 5 tuts)? C. Tut Attendance (Y) <5 tuts 0.27 0.17 Click to see additional instructions The probability that a student passes the course given that they've attended 5 tuts is? Are X and Y independent? A. Yes B. No OC. There is insufficient information to make a determination.
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