Solve the question and show all steps: Consider the probability
distribution shown here:
Y
-40
-30
-20
-10
0
10
20
30
40
P(Y)
.02
.07
.10
.15
.30
.18
.10
.06
.02
a. Calculate E(Y) or...
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Solve the question and show all steps: Consider the probabilitydistribution shown here:
Y
-40
-30
-20
-10
0
10
20
30
40
P(Y)
.02
.07
.10
.15
.30
.18
.10
.06
.02
a. Calculate E(Y) or µ, VAR(Y) or ? 2 , and STDV(Y) or σ
b. Graph P(Y). Locate µ, µ - 2σ, and µ + 2σ on the graph
c. What is the probability that Y is in the interval ? ± 2??
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