Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Weekly household expenditure in a country is normally distributed with a mean $1000 and standard deviation of $200. 1.What is the probability that the average

Weekly household expenditure in a country is normally distributed with a mean $1000 and standard deviation of $200.

1.What is the probability that the average weekly expenditure for this sample will be more than $1100?

2.What is the probability that the weekly expenditure of a randomly selected household will be less than $800?

3.What is the probability that the weekly expenditure of a randomly selected household will be more than $1400?

4. If a random sample of 36 households is selected, what is the probability that the weekly expenditure of a randomly selected household will be between $800 and $1200?

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Differential Geometry And Continuum Mechanics

Authors: Gui Qiang G Chen, Michael Grinfeld, R J Knops

1st Edition

331918573X, 9783319185736

More Books

Students also viewed these Mathematics questions

Question

1. To understand how to set goals in a communication process

Answered: 1 week ago