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)

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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Question

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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