The following table represents the joint probability distribution of the number of letters dropped daily in mailbox X and mailbox Y.   a. Determine the probability of 3 letters being dropped in mailbox X and 4 letters being dropped at mailbox Y

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The following table represents the joint probability distribution of the number of letters dropped daily in mailbox X and mailbox Y.

 

a. Determine the probability of 3 letters being dropped in mailbox X and 4 letters being dropped at mailbox Y.

Y = 2 Y = 3 Y = 4 Y = 5 Px (X = x
%3D
%3D
%3D
X = 0
0.3
0.03
0.2
0.54
X = 1
0.025
0.04
0.04
0.03
X = 2
0.07
0.1
0.01
X = 3
0.025
0.02
0.02
Py (Y = y) 0.135
Transcribed Image Text:Y = 2 Y = 3 Y = 4 Y = 5 Px (X = x %3D %3D %3D X = 0 0.3 0.03 0.2 0.54 X = 1 0.025 0.04 0.04 0.03 X = 2 0.07 0.1 0.01 X = 3 0.025 0.02 0.02 Py (Y = y) 0.135
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