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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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