0.5 0.4- 0.3- 0.2- 0.1- Shaded area 0.3935 X 1 5 10 15 (a) What's the probability that X is less than or equal to 1? (b) What's the probability that X is greater than or equal to 1?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 10E
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(7) Consider the distribution function below for a random variable X.
0.5
Shaded area
0.4
0.3935
0.3-
0.2
0.1
X
5
10
15
What's the probability that X is less than or equal to 1?
(b) What's the probability that X is greater than or equal to 1?
(c) Would you guess that E(X) is more than 5 or less than 5? Why?
Transcribed Image Text:(7) Consider the distribution function below for a random variable X. 0.5 Shaded area 0.4 0.3935 0.3- 0.2 0.1 X 5 10 15 What's the probability that X is less than or equal to 1? (b) What's the probability that X is greater than or equal to 1? (c) Would you guess that E(X) is more than 5 or less than 5? Why?
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