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A STUDENT ORGANIZATION AT A UNIVERSITY IS INTERESTED

A STUDENT ORGANIZATION AT A UNIVERSITY IS INTERESTED

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Author: Christine Farr
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http://theperfecthomework.com/a-student-organization-at-a-university-is-interested-in-estimating-the-proportion-of-students-in-favor-of-showing-movies-biweekly-instead-of-monthly/

1) A student organization at a university is interested in estimating the proportion of students in favor of showing movies biweekly instead of monthly.   A SRS of 423 students revealed that 180 are in favor of showing movies biweekly. 
 
State the point estimate.  (Round to two decimal places.)
 
2)  A student organization at a university is interested in estimating the proportion of students in favor of showing movies biweekly instead of monthly.   A SRS of 423 students revealed that 180 are in favor of showing movies biweekly. 
 
Determine the margin of error for a 90% level of confidence.  (State the z-value used.  Round to two decimal places.)
 
3)  A student organization at a university is interested in estimating the proportion of students in favor of showing movies biweekly instead of monthly.   A SRS of 423 students revealed that 180 are in favor of showing movies biweekly. 
 
Construct a 90% confidence interval for the true proportion of student in favor of showing movies biweekly instead of monthly.  (Round to two decimal places.)


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