Question 1 - Week 2 Practice

Prasnya

00:00

6 Apr 2026

Q1.The joint probability mass function of two discrete random variables

X

and

Y

is given by

f_{XY}(x,y)=\begin{cases}\dfrac{xy}{36}, & x,y\in\{1,2,3\},\\ 0, & \text{otherwise.}\end{cases}

What is the value of

P(X+Y=4)

? Enter the answer correct to two decimal places.

Your Answer

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00:00

6 Apr 2026

Q1.The joint probability mass function of two discrete random variables

X

and

Y

is given by

f_{XY}(x,y)=\begin{cases}\dfrac{xy}{36}, & x,y\in\{1,2,3\},\\ 0, & \text{otherwise.}\end{cases}

What is the value of

P(X+Y=4)

? Enter the answer correct to two decimal places.

Your Answer

Save

Check

Details

Question 1 - Week 2 Practice | Prasnya

00:00

6 Apr 2026

Q1.The joint probability mass function of two discrete random variables

X

and

Y

is given by

f_{XY}(x,y)=\begin{cases}\dfrac{xy}{36}, & x,y\in\{1,2,3\},\\ 0, & \text{otherwise.}\end{cases}

What is the value of

P(X+Y=4)

? Enter the answer correct to two decimal places.

Your Answer

Save

Check

Details

00:00

6 Apr 2026

Q1.The joint probability mass function of two discrete random variables

X

and

Y

is given by

f_{XY}(x,y)=\begin{cases}\dfrac{xy}{36}, & x,y\in\{1,2,3\},\\ 0, & \text{otherwise.}\end{cases}

What is the value of

P(X+Y=4)

? Enter the answer correct to two decimal places.

Your Answer

Save

Check

Details