Answered: A random sample of 50 university…

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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A random sample of 50 university admissions officer was asked about expectations in application interviews. Of these sample members, 28 agreed that the interviewer usually expects the interviewee to have volunteer experience doing community projects. Test the null hypothesis that one-half of all interviewers have this expectation against the alternative that the population proportion is bigger than one-half. Use α = 0.05.

State the null and the alternative hypothesis and comment whether its a one tail or two tail test? If one tail then right or left tail test?

(write your answer as one tail right tail test/ one tail left tail test/ two tail test)

Identify the critical value. Ans in two decimal places.

what is the calculated value? Ans in two decimal places

Write the decision rule and identify whether the condition holds.

(write answer as condition holds/ condition does not hold)

give final decision

(write answer as reject null/ do not reject null)

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