A bag contains 9 red marbles, 5 white marbles, and 8 blue marbles. You draw 3 marbles out at random,without replacement. Find the following probabilities.The probability that all the marbles are red isThe probability that none of the marbles are red is Suppose a math class contains 42 students. There are 20 females (five of whom speak Spanish) and 22males (two of whom speak Spanish). Give all answers as decimals to at least two decimal places.1. What is the probability that a randomly selected student speaks Spanish, given that the student is5female?Or = 0.25202. What is the probability that a randomly selected student does not speak Spanish, given that the studentis male?2022✓ 08 = 0.90909090909090913. What percent of Spanish speaking students are male? Give answer as a decimal. 28.57 x = 28.574. If someone does not speak Spanish what is the probability they are female?0.428571428571428551535=

A bag contains 9 red marbles, 5 white marbles, and 8 blue marbles. You draw 3 marbles out at random, without replacement. Find the following probabilities. The probability that all the marbles are red is The probability that none of the marbles are red is

A bag contains 9 red marbles, 5 white marbles, and 8 blue marbles. You draw 3 marbles out at random, without replacement. Find the following probabilities. The probability that all the marbles are red is The probability that none of the marbles are red is

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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Question

A bag contains 9 red marbles, 5 white marbles, and 8 blue marbles. You draw 3 marbles out at random,
without replacement. Find the following probabilities.
The probability that all the marbles are red is
The probability that none of the marbles are red is

Suppose a math class contains 42 students. There are 20 females (five of whom speak Spanish) and 22
males (two of whom speak Spanish). Give all answers as decimals to at least two decimal places.
1. What is the probability that a randomly selected student speaks Spanish, given that the student is
5
female?
Or = 0.25
20
2. What is the probability that a randomly selected student does not speak Spanish, given that the student
is male?
20
22
✓ 08 = 0.9090909090909091
3. What percent of Spanish speaking students are male? Give answer as a decimal. 28.57 x = 28.57
4. If someone does not speak Spanish what is the probability they are female?
0.42857142857142855
15
35
=

Expert Solution

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$G i v e n, n o . o f r e d m a r b l e s = 9 n o . o f w h i t e m a r b l e s = 5 n o . o f b l u e m a r b l e s = 8 T o t a l n o . o f m a r b l e s = 22$

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