A random sample of 3 households is selected. The probabilities that certain number of households have a pet dog are listed. prob. of households with a dog P(x) = probability that x households have x (# of households) a dog 0.036 1 0.219 0.444 3 0.301 a) Does this table describe a probability distribution? Give a reason for your answer. Do not simply say yes/no b) What is the mean? Show work

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A random sample of 3 households is selected. The probabilities that certain number
of households have a pet dog are listed.
prob. of households with a dog
P(x) probability that x households have
%3D
x (# of households)
a dog
0.036
1
0.219
2
0.444
0.301
a) Does this table describe a probability distribution? Give a reason for your answer.
Do not simply say yes/no
b) What is the mean? Show work
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BIUA e Pv:
12pt v
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Transcribed Image Text:A random sample of 3 households is selected. The probabilities that certain number of households have a pet dog are listed. prob. of households with a dog P(x) probability that x households have %3D x (# of households) a dog 0.036 1 0.219 2 0.444 0.301 a) Does this table describe a probability distribution? Give a reason for your answer. Do not simply say yes/no b) What is the mean? Show work Edit View Insert Format Tools Table BIUA e Pv: 12pt v Paragraph v DELL
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