Mark read in the school newspaper that 33.1% of students plan to attend college after graduation. Mark thinks that more than 33.1% of students at his large school plan to go to college. To investigate, he selects a random sample of n=225 students from his school to test hypotheses H0:p=0.331 Ha:p≠0.331 where p is the proportion of students that plan to attend college after graduation. In Mark's sample, 55 students said that they plan to go to college. What is the value of the standardized z test statistic and P-value of the test of the given hypotheses?
Mark read in the school newspaper that 33.1% of students plan to attend college after graduation. Mark thinks that more than 33.1% of students at his large school plan to go to college. To investigate, he selects a random sample of n=225 students from his school to test hypotheses H0:p=0.331 Ha:p≠0.331 where p is the proportion of students that plan to attend college after graduation. In Mark's sample, 55 students said that they plan to go to college. What is the value of the standardized z test statistic and P-value of the test of the given hypotheses?
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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Mark read in the school newspaper that 33.1% of students plan to attend college after graduation. Mark thinks that more than 33.1% of students at his large school plan to go to college. To investigate, he selects a random sample of n=225 students from his school to test hypotheses
H0:p=0.331 Ha:p≠0.331
where p is the proportion of students that plan to attend college after graduation.
In Mark's sample, 55 students said that they plan to go to college.
What is the value of the standardized z test statistic and P-value of the test of the given hypotheses?
Give your answer for the test statistic precise to two decimal places and give the P-value precise to four decimal places.
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