Answer
$$P(X \geq 6) = .7$$
$$P(2 < X < 8) =.5$$
Work Step by Step
Using the answers from 19a:
$P(X \geq 6) = P(X = 6) + P(X = 8) + P(X = 10) = .3 + .3 + .1 = .7$.
$P(2 < X < 8) = P(X = 4) + P(X = 6) = .2 + .3 = .5.$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 8 - Section 8.1 - Random Variables and Distributions - Exercises - Page 555: 19b
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