Help me out guys this is important id appreciate it, I'll give reward thing pls

1) True

2) False

3) True

4) False

The first is true.

The second is false.

The third is true because an integer is only whole numbers, but rational numbers include fractions.

The fourth is false. All whole numbers are integers.

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0