Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

The weekly earnings of students in one age group are normally distributed with a standard deviation of 75 dollars. A researcher takes a random sample

  1. The weekly earnings of students in one age group are normally distributed with a standard deviation of 75 dollars. A researcher takes a random sample of 30 students and finds a sample mean of 250 dollars and sample sd of 65 dollars. Find the 99% confidence interval for the population mean .
  2. If the researcher were to take another random sample give an example of what the 99% confidence interval of that sample would be and explain why.

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

More Books

Students also viewed these Mathematics questions

Question

Always have the dignity of the other or others as a backdrop.

Answered: 1 week ago