Then the mean number (to the nearest whole number) of students who will finish the exam in less than 1 hour for 14 students randomly selected is equal to:

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Exponential And Logarithmic Functions
Section5.5: Exponential And Logarithmic Models
Problem 4ECP
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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 14 students randomly selected is equal to:
None of the other options
O 7
Transcribed Image Text: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 14 students randomly selected is equal to: None of the other options O 7
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