5. In a random sample of 210 students, 80% stated that they feel they made the right choice by attending CU Denver. a. Construct a 98% confidence interval for the true proportion of students who feel they made the right decision to attend CU Denver. Include the form your interval takes, the setup with the value for either za½2 or tα/2, and the resulting lower and upper bounds of the interval. b. Interpret your interval in context. 6. Revisiting question number 5, determine what size sample is needed if we wanted to estimate the true proportion of students who feel they made the right choice by attending CU Denver to within 1% using 95% confidence.

5. In a random sample of 210 students, 80% stated that they feel they made the right choice by attending CU Denver. a. Construct a 98% confidence interval for the true proportion of students who feel they made the right decision to attend CU Denver. Include the form your interval takes, the setup with the value for either za½2 or tα/2, and the resulting lower and upper bounds of the interval. b. Interpret your interval in context. 6. Revisiting question number 5, determine what size sample is needed if we wanted to estimate the true proportion of students who feel they made the right choice by attending CU Denver to within 1% using 95% confidence.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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