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Suppose a math class contains 30 students. There are 18 females (five of whom speak Spanish) and 12 males (three 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 18 female? = 0.2777777777777778 2. What is the probability that a randomly selected student does not speak Spanish, given that the student is male? 3. What percent of Spanish speaking students are male? Give answer as a decimal. 4. If someone does not speak Spanish what is the probability they are female?

Suppose a math class contains 30 students. There are 18 females (five of whom speak Spanish) and 12 males (three 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 18 female? = 0.2777777777777778 2. What is the probability that a randomly selected student does not speak Spanish, given that the student is male? 3. What percent of Spanish speaking students are male? Give answer as a decimal. 4. If someone does not speak Spanish what is the probability they are female?

A First Course in Probability (10th Edition)
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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Suppose a math class contains 30 students. There are 18 females (five of whom speak Spanish) and 12 males (three 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? 18 ✓ OF = 0.2777777777 7778 2. What is the probability that a randomly selected student does not speak Spanish, given that the student is male? 3. What percent of Spanish speaking students are male? Give answer as a decimal. 4. If someone does not speak Spanish what is the probability they are female?
Transcribed Image Text:Suppose a math class contains 30 students. There are 18 females (five of whom speak Spanish) and 12 males (three 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? 18 ✓ OF = 0.2777777777 7778 2. What is the probability that a randomly selected student does not speak Spanish, given that the student is male? 3. What percent of Spanish speaking students are male? Give answer as a decimal. 4. If someone does not speak Spanish what is the probability they are female?
A bag contains several marbles, 15 of which are blue, 5 are yellow, and 17 are green. a. If three marbles are chosen without replacement, what is the probability that they are all yellow? b. If three marbles are chosen with replacement, what is the probability that all three are green?
Transcribed Image Text:A bag contains several marbles, 15 of which are blue, 5 are yellow, and 17 are green. a. If three marbles are chosen without replacement, what is the probability that they are all yellow? b. If three marbles are chosen with replacement, what is the probability that all three are green?
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