a. Calculate , σ, and o. b. Graph p(x). Locate μ, μ-20, and μ + 20 on the graph. c. What is the probability that x is in the interval μ ± 20?

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What formulas are used?

a. Calculate μ, σ², and o.
b. Graph p(x). Locate , -2, and μ + 2 on the
μ
graph.
c. What is the probability that x is in the interval
μ ± 20?
Transcribed Image Text:a. Calculate μ, σ², and o. b. Graph p(x). Locate , -2, and μ + 2 on the μ graph. c. What is the probability that x is in the interval μ ± 20?
-4
2 =
|Px(æ) =
.02
=
-3
.07
-2
.10
-1
.15
୦
.30
1
.18
2
.10
3
.06
4
.02
Transcribed Image Text:-4 2 = |Px(æ) = .02 = -3 .07 -2 .10 -1 .15 ୦ .30 1 .18 2 .10 3 .06 4 .02
Expert Solution
Step 1: Provide given information

The probability distribution is provided as follows:

X -4 -3 -2 -1 0 1 2 3 4
PX=x 0.02 0.07 0.10 0.15 0.30 0.18

0.10

0.06 0.02
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