The president of Brown University wants to estimate the mean time (years) it takes students to earn

Question:

The president of Brown University wants to estimate the mean time (years) it takes students to earn a bachelor’s degree. How many students must be surveyed in order to be 95% confident that the estimate is within 0.2 year of the true population mean? Assume that the population standard deviation is σ = 1.3 years.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Elementary Statistics

ISBN: 9780136803201

14th Edition

Authors: Mario F. Triola

Question Posted: