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Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 32E

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please send correct answer Q1

Suppose X is a continuous random variable having probability density function (PDF) f(x). Which of these statements about f(x) are true?
1) f(x) cannot be negative
II) Probabilities for X are areas underneath f(x)
III) f(x) must integrate to one over the whole range of possible values for X
IV) f(x) cannot be a polynomial
O a)I and Il only are true
O b) Il and IIl only are true
O c) Il and IV only are true
O d) I, Il and III only are true.

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