Answered: 27.The student government claims that…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

27.The student government claims that 70% of all students favor an increase in student fees to buy indoor potted plants for the classrooms. A random sample of 9 students produced 2 in favor of the project.

(a) What is the probability that 2 or fewer in the sample will favor the project, assuming the student government's claim is correct? (Use 3 decimal places.)

(b) Do the the data support the student government's claim, or does it seem that the percentage favoring the increase in fees is less than 70%?

The data seem to indicate that the percent favoring the increase in fees is equal to 70%.The data do not give us any indication that the percent favoring the increase in fees differs from 70%. The data seem to indicate that the percent favoring the increase in fees is less than 70%.The data seem to indicate that the percent favoring the increase in fees is greater than 70%.

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