N2 + n + m; use m = -3.4, and n = 4.5

21.25

Step-by-step explanation:

Substitute n with 4.5 and m with -3.5

Now the equation looks like this:

4.5^2+4.5-3.5

4.5^2 is 20.25

20.25+4.5 is 24.75

24.65-3.5 is 21.25

Hope this helps!

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

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step-by-step explanation: