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
No hints for this one.
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.