1. In a class, the probability that a student reviewed only his/her lesson a night before the quiz is 0.7. Find the probability that the 3rd student to be interviewed is the first one who reviewed only his/her lesson a night before the quiz.
1. In a class, the probability that a student reviewed only his/her lesson a night before the quiz is 0.7. Find the probability that the 3rd student to be interviewed is the first one who reviewed only his/her lesson a night before the quiz.
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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Transcribed Image Text:Solve the problem with complete solution, neatly and orderly. Round off the final answer
to 4th decimal places.
1. In a class, the probability that a student reviewed only his/her lesson a night before
the quiz is 0.7. Find the probability that the 3rd student to be interviewed is the first
one who reviewed only his/her lesson a night before the quiz.
2. Suppose there are 20 typographical errors randomly distributed in your 100-page
learning module, find the probability that a given page contains exactly 1 error.
3. If there are 6 job applicants in a company, 4 are college graduates and 2 are not.
If the owner selects 3 applicants at random, find the probability that all 3 are college
graduates.
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