Which of the following tables shows a valid probability density function? Select all correct answers. Select all that apply:

x P(X=x)
0 14
1 12
2 18
3 18
x P(X=x)
0 35
1 15
2 −15
3 25
x P(X=x)
0 310
1 15
2 35
3 110
x P(X=x)
0 0.01
1 0.46
2 0.19
x P(X=x)
0 0.09
1 0.24
2 0.67
x P(X=x)
0 14
1 12
2 14

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step-by-step explanation:

b. 6

step-by-step explanation:

we are given the table representing an exponential function.

we can see from the table that, as x is increasing, the value of y is increasing in the power of 6.

i.e. the following relation is obtained,

x = 1, y = 6

x = 2, y = 36 =

x = 3, y = 216 =

x = 4, y = 1296 =

x = 5, y = 7776 =

so, the geometric series obtained is .

thus, the common ratio is given by = = 6.

hence, the common ratio is 6.

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step-by-step explanation:

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