OpenStax, Introductory Business Statistics 2e §7.3 The Central Limit Theorem for Proportions · Exercise 12 · Statistics · Sampling distributions
The Central Limit Theorem for Proportions · Exercise 12
A pollster asks a single question with only yes and no as answer possibilities. The poll is conducted nationwide, so samples of 100 responses are taken. There are four yes answers for each no answer overall. For the mean of the sampling distribution of sample proportions, find the following for yes answers.
(a) The expected value.
(b) The standard deviation.
(c) The variance.
OpenStax, Introductory Business Statistics 2e · §7.3 The Central Limit Theorem for Proportions · Exercise 12
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.