The projection X of the radius-vector of a random point on a circumference of radius a onto the diameter has the distribution function (the arcsine law) (x > a; F(x) 1 + arcsin for-a< x < a; (x ≤-a. Determine (a) the probability that X will be on the interval (-a/2, a/2), (b) the quantile X0.75, (c) the probability density f(x) of the random variable X, (d) the mode and median of the distribution. ४/०

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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The projection X of the radius-vector of a random point on
a circumference of radius a onto the diameter has the distribution function (the
arcsine law)
(x > a;
F(x)
1
+ arcsin
=
for-a< x < a;
(x≤-a.
Determine (a) the probability that X will be on the interval (-a/2, a/2),
(b) the quantile X0.75, (c) the probability density f(x) of the random variable X,
(d) the mode and median of the distribution.
४/०
Transcribed Image Text:The projection X of the radius-vector of a random point on a circumference of radius a onto the diameter has the distribution function (the arcsine law) (x > a; F(x) 1 + arcsin = for-a< x < a; (x≤-a. Determine (a) the probability that X will be on the interval (-a/2, a/2), (b) the quantile X0.75, (c) the probability density f(x) of the random variable X, (d) the mode and median of the distribution. ४/०
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