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  3. 1) let x be a continuous random variable. what is

1) Let X be a continuous random variable. What is true about fX(x)fX(x)? fX(2) is a probability. fX(2)...

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Basic Math

1) Let X be a continuous random variable. What is true aboutfX(x)fX(x)?
fX(2) is a probability.
fX(2) is a set.
It can only take values between 0 and 1 as input.
fX(2) is a number.

2) Let X be a continuous random variable. What is true aboutFX(x)FX(x)?
FX(x) is a strictly increasing function.
It decreases to zero as x→∞x→∞.
FX(2) is a probability.
FX(x) can be any real number.

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