Which of the following can be probability distributions? Justify your answer.
a. $f(1)=0.40, f(2)=0.20, f(3)=0.50$ where the random variable can take on only the values 1,2 , and 3 .
b. $f(x)=x / 10$ for $x=0,1,2,3,4$.
c. $f(1)=0.25, f(2)=0.30, f(3)=0.15, f(4)=0.15$ where the random variable can take on only the values $1,2,3$ and 4 .
d. $f(x)=\frac{x-3}{7}$ for $x=0,1,2,3,4,5$

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The Answer of Which of the following can be probability distributions? Justify your answer.
a. $f(1)=0.40, f(2)=0.20, f(3)=0.50$ where the random variable can take on only the values 1,2 , and 3 .
b. $f(x)=x / 10$ for $x=0,1,2,3,4$.
c. $f(1)=0.25, f(2)=0.30, f(3)=0.15, f(4)=0.15$ where the random variable can take on only the values $1,2,3$ and 4 .
d. $f(x)=\frac{x-3}{7}$ for $x=0,1,2,3,4,5$

Which of the Following Can Be Probability Distributions? Justify Your f(1)=0.40,f(2)=0.20,f(3)=0.50f(1)=0.40, f(2)=0.20, f(3)=0.50f(1)=0.40,f(2)=0.20,f(3)=0.50

Which of the Following Can Be Probability Distributions? Justify Your $f(1)=0.40, f(2)=0.20, f(3)=0.50$