Suppose a discrete random variable X has range {-1, 0, 1, 2, 3} and cumulative distribution function (cdf) given by x²+3x+2 20 F (x) = X What is the probability that X ≤ 1? Give an exact numerical answer expressed as a decimal expression accurate to four decimal places.
Suppose a discrete random variable X has range {-1, 0, 1, 2, 3} and cumulative distribution function (cdf) given by x²+3x+2 20 F (x) = X What is the probability that X ≤ 1? Give an exact numerical answer expressed as a decimal expression accurate to four decimal places.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 19E
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![Suppose a discrete random variable X has range {−1, 0, 1, 2, 3} and cumulative distribution function (cdf) given by
x²+3x+2
20
F (x) =
X
What is the probability that X ≤ 1?
Give an exact numerical answer expressed as a decimal expression accurate to four decimal places.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F95551788-4ab7-4893-bf92-ae5328498de2%2F811709e2-4b82-4b26-800d-2178824320e4%2F38aypqnc_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose a discrete random variable X has range {−1, 0, 1, 2, 3} and cumulative distribution function (cdf) given by
x²+3x+2
20
F (x) =
X
What is the probability that X ≤ 1?
Give an exact numerical answer expressed as a decimal expression accurate to four decimal places.
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