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someone who prefers math is 0.2. How many students were both high school students and prefered math? Answer:

someone who prefers math is 0.2. How many students were both high school students and prefered math? Answer:

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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A survey was conducted with a sample of 100 students, recording their level and schooling and their favorite subject. The total number of students that preferred Math was 15; the total number of students that were high school students was 40. The probability that a high school student is also someone who prefers math is 0.2. How many students were both high school students and prefered math? Answer:
Transcribed Image Text:A survey was conducted with a sample of 100 students, recording their level and schooling and their favorite subject. The total number of students that preferred Math was 15; the total number of students that were high school students was 40. The probability that a high school student is also someone who prefers math is 0.2. How many students were both high school students and prefered math? Answer:
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