Of the people passing through an airport metal detector, 0.5% activate it; let X=the number among a randomly selected group of 500 who activate the detector. a) What is the (approximate) pmf of X ? b) Compute P(X = 5) c) Compute P(5 ≤ X)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 23E
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Of the people passing through an airport metal detector, 0.5% activate it; let X=the number among a
randomly selected group of 500 who activate the detector.
a) What is the (approximate) pmf of X ?
b) Compute P(X = 5)
c) Compute P(5 ≤ X)
Transcribed Image Text:Of the people passing through an airport metal detector, 0.5% activate it; let X=the number among a randomly selected group of 500 who activate the detector. a) What is the (approximate) pmf of X ? b) Compute P(X = 5) c) Compute P(5 ≤ X)
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