Question
An urn contains 25 balls, 10 are green, 8 are blue, 5 are red and 2 are yellow. You randomly pick 5 balls from theurn.
- An urn contains 25 balls, 10 are green, 8 are blue, 5 are red and 2 are yellow. You randomly pick 5 balls from theurn.
a) What is the probability of having exactly 3 green balls in the set of 5?
b) What is the expected number of blue balls in a set of 5?
c) What is the probability of having 2 or fewer red balls in the set of 5?
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Finite Mathematics
Authors: Stefan Waner, Jerry Lee Ford Jr, Waner/Costenoble, Steven Costenoble
5th Edition
1111789304, 9781111789305
