4.22 The random variable x has the discrete probability distribu- tion shown here: -2 1 2 -1 .15 p(x) .10 .40 .30 .05 a. Find P(x < 0). b. Find P(x > -1). c. Find P(-1 < x < 1). d. Find P(x < 2). e. Find P(-1 < x < 2). Find R(u

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4.22 The random variable x has the discrete probability distribu-
tion shown here:
-2
1
2
-1
.15
p(x)
.10
.40
.30
.05
a. Find P(x < 0).
b. Find P(x > -1).
c. Find P(-1 < x < 1).
d. Find P(x < 2).
e. Find P(-1 < x < 2).
f. Find P(x < 1).
Transcribed Image Text:4.22 The random variable x has the discrete probability distribu- tion shown here: -2 1 2 -1 .15 p(x) .10 .40 .30 .05 a. Find P(x < 0). b. Find P(x > -1). c. Find P(-1 < x < 1). d. Find P(x < 2). e. Find P(-1 < x < 2). f. Find P(x < 1).
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