Alice needs to pass two different exams. She believes that there is a probability of 32 % of passing the first exam. If she passes the first exam, then the probability of passing the second exam is 66 %. However, if she fails in the first exam, then Alice thinks that the probability of passing the second exam is just 57 %. (a) What is the probability that Alice passes both exams? (Notation: do not use % in your answers but actual numerical values) (b) What is the probability that she fails in both exams? (c) What is the probability that she passes only one of the exams?
Alice needs to pass two different exams. She believes that there is a probability of 32 % of passing the first exam. If she passes the first exam, then the probability of passing the second exam is 66 %. However, if she fails in the first exam, then Alice thinks that the probability of passing the second exam is just 57 %. (a) What is the probability that Alice passes both exams? (Notation: do not use % in your answers but actual numerical values) (b) What is the probability that she fails in both exams? (c) What is the probability that she passes only one of the exams?
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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