In a college there are 2000 students, we draw a simple random sample without replacement of 500 students from the 2000 students. We ask each student in the sample "Do you use laptop? Yes or No", 230 students answer Yes and 270 students answer No. Estimate the number of student in the college who use laptops.

In a college there are 2000 students, we draw a simple random sample without replacement of 500 students from the 2000 students. We ask each student in the sample "Do you use laptop? Yes or No", 230 students answer Yes and 270 students answer No. Estimate the number of student in the college who use laptops.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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