Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Heights of Americans are roughly normally distributed with a mean of 171cm and a standard deviation of 9.5cm. A. Find the mean and standard deviation

  1. Heights of Americans are roughly normally distributed with a mean of 171cm and a standard deviation of 9.5cm.

A. Find the mean and standard deviation of the distribution of means of random samples of 10 Americans.

B. Will the distribution of means of random samples of 10 Americans be roughly normal? Why or why not?

C, Sketch the distribution of means of random samples of 10 Americans.

D. If I pick 10 people at random and they have an average height of 180cm, should I be surprised? Why or why not?

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access with AI-Powered 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

Foundations of Financial Management

Authors: Stanley Block, Geoffrey Hirt, Bartley Danielsen, Doug Short, Michael Perretta

10th Canadian edition

1259261018, 1259261015, 978-1259024979

Students also viewed these Mathematics questions

Question

600 lb 20 0.5 ft 30 30 5 ft

Answered: 1 week ago