Then the mean number (to the nearest whole number) of students who will finish the exam in less than 1 hour for 12 students randomly selected is equal to:
Then the mean number (to the nearest whole number) of students who will finish the exam in less than 1 hour for 12 students randomly selected is equal to:
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:Question *
The time taken by a student to finish a statistics exam can be modeled using the following
cumulative distribution function:
F(x) = 1-e 0.9%, x> 0
Suppose that the time taken for a student to finish the exam is constant from student to
student.
Then the mean number (to the nearest whole number) of students who will finish the exam
in less than 1 hour for 12 students randomly selected is equal to:
8.
None of the other options
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