Question

A flea of negligible size is trapped in a large, spherical, inflated beach ball with radius r.

At this moment, it is equally likely to be at any point within the ball. Let X be the distance of the flea from the center of the ball.

Using the fact that the volume of a sphere of radius r is 4tr 3, for X, find ...

a) . . . the cumulative distribution function

b) . . . the probability density function fx

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AnsweY Si2e is tapped in negjugybie Soheicalinfinted beach bal with Radius n. tis moment it is eyua to be at an Point with th

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