Solution Found!
Household Wood Burning American Energy Reviewreported that
Chapter 5, Problem 20RE(choose chapter or problem)
Problem 20RE
Household Wood Burning American Energy Reviewreported that 27% of American households bum wood. If a random sample of 500 American households is selected, find the mean, variance, and standard deviation of the number of households that bum wood. (5−3)
Source: 100% American by Daniel Evan Weiss.
Questions & Answers
QUESTION:
Problem 20RE
Household Wood Burning American Energy Reviewreported that 27% of American households bum wood. If a random sample of 500 American households is selected, find the mean, variance, and standard deviation of the number of households that bum wood. (5−3)
Source: 100% American by Daniel Evan Weiss.
ANSWER:
Solution:
Step 1 of 2:
From the given problem we have,
A sample size n = 500
p = 27%
= 0.27
q = 1- 0.27
= 0.73
Here we need to find mean, variance and standard deviation of the number of households that bum wood.