
Course Title Probability Distributions
Course Code STA642
Activity Assignment # 3
Submission Deadline Date: Tuesday, January 21, 2020
Time: 23:59 Hours (Midnight)Instructions to attempt assignment:
• Take help from video lectures/PPTs/Recommended book
• For writing symbols, use MathType software. If you already did not download it, get it from here.
• Make your own attempt, any copy/past; cheating from other student/website may result in ZERO marks and/or assignment cancelation.Question # 1:
Let the joint pdf of X1 and X2 be
Find marginal probability density function of X1
Find marginal probability density function of X2
Show that X1 and X2 are dependent / independent.Question # 2:
A certain Binomial distribution is given by b(x; 5, 1/3).
What is the value of n?
What is the value of p?
What is the value of q?
Find the binomial probability for X = 0The END 
STA642 Assignment 3 Solution and Discussion

Course Title Probability Distributions
Course Code STA642
Activity Assignment # 3
Submission Deadline Date: Tuesday, January 21, 2020
Time: 23:59 Hours (Midnight)Instructions to attempt assignment:
• Take help from video lectures/PPTs/Recommended book
• For writing symbols, use MathType software. If you already did not download it, get it from here.
• Make your own attempt, any copy/past; cheating from other student/website may result in ZERO marks and/or assignment cancelation.Question # 1:
Let the joint pdf of X1 and X2 be
Find marginal probability density function of X1
Find marginal probability density function of X2
Show that X1 and X2 are dependent / independent.Question # 2:
A certain Binomial distribution is given by b(x; 5, 1/3).
What is the value of n?
What is the value of p?
What is the value of q?
Find the binomial probability for X = 0The END 