An urn contains 16 numbered balls, of which 10 are red and 6 are white. A sample of 4 balls is to be selected. i) How many different samples are possible? ii) What is the probability of selecting only red balls? iii) What is the probability of selecting only 2 red balls and 2 white balls?

An urn contains 16 numbered balls, of which 10 are red and 6 are white. A sample of 4 balls is to be selected. i) How many different samples are possible? ii) What is the probability of selecting only red balls? iii) What is the probability of selecting only 2 red balls and 2 white balls?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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An urn contains 16 numbered balls, of which 10 are red and 6 are white. A sample of 4 balls is to be selected.

i) How many different samples are possible?

ii) What is the probability of selecting only red balls?

iii) What is the probability of selecting only 2 red balls and 2 white balls?

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