a) Find the probability that the student gets at least 5 questions correct. b) Assume that the student is very lucky, find the probability the student will pass the exam (assume the passing grade is 40%). c) In the same exam, another student fell asleep and wakes up with 10 minutes left in the exam. What is the probability that the first question the student get right is the 7th question?
a) Find the probability that the student gets at least 5 questions correct. b) Assume that the student is very lucky, find the probability the student will pass the exam (assume the passing grade is 40%). c) In the same exam, another student fell asleep and wakes up with 10 minutes left in the exam. What is the probability that the first question the student get right is the 7th question?
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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