AI Tutor
Back to 7.3 The Central Limit Theorem for Proportions

7.3 Exercise 12

Avg difficulty 2.5

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.

  1. The expected value.
  2. The standard deviation.
  3. The variance.

OpenStax Introductory Business Statistics 2e, 7.3 The Central Limit Theorem for Proportions, exercise 12

AI Tutor

Adapted from Introductory Business Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Business Statistics 2e. Imported at revision 50ec917.