Solved: Let Y1 and Y2 have the joint probability density

Chapter 5, Problem 9E

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QUESTION:

Let \(Y_{1} \text { and } Y_{2}\) have the joint probability density function given by

                                    \(f\left(y_{1}, y_{2}\right)=\left\{\begin{array}{ll}

k\left(1-y_{2}\right), & 0 \leq y_{1} \leq y_{2} \leq 1, \\

0, & \text { elsewhere. }

\end{array}\right.

\)

 

a Find the value of k that makes this a probability density function.

b Find \(P\left(Y_{1} \leq 3 / 4, Y_{2} \geq 1 / 2\right)\).

Equation Transcription:

Text Transcription:

Y1 and Y2

f(y1,y2)=

k(1-y2), 0y1y21,

0, elsewhere.

P(Y13/4,Y21/2)

Questions & Answers

QUESTION:

Let \(Y_{1} \text { and } Y_{2}\) have the joint probability density function given by

                                    \(f\left(y_{1}, y_{2}\right)=\left\{\begin{array}{ll}

k\left(1-y_{2}\right), & 0 \leq y_{1} \leq y_{2} \leq 1, \\

0, & \text { elsewhere. }

\end{array}\right.

\)

 

a Find the value of k that makes this a probability density function.

b Find \(P\left(Y_{1} \leq 3 / 4, Y_{2} \geq 1 / 2\right)\).

Equation Transcription:

Text Transcription:

Y1 and Y2

f(y1,y2)=

k(1-y2), 0y1y21,

0, elsewhere.

P(Y13/4,Y21/2)

ANSWER:

Solution:

Step 1 of 3:

It is given that the joint probability function of is

f(

Using this we need to find the required values.


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