Homework Help is Here – Start Your Trial Now!
Math
Probability
It is claimed that the average life span of people in rural area is more than 64 years old with a standard deviation of three years. Test this claim at 0.05 level of significance if in the random sample of 250 people, the mean life span resulted to 66 years.

It is claimed that the average life span of people in rural area is more than 64 years old with a standard deviation of three years. Test this claim at 0.05 level of significance if in the random sample of 250 people, the mean life span resulted to 66 years.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
See similar textbooks
icon
Related questions
Question
100%

CAN YOU DO THIS TYPEWRITTEN ONLY? I WILL UPVOTE I PROMISE. THANK YOU SO MUCH FOR YOUR EFFORT. MUCH APPRECIATED

It is claimed that the average life span of people in rural area is more than 64 years old with a standard deviation of three years. Test this claim at 0.05 level of significance if in the random sample of 250 people, the mean life span resulted to 66 years.
Transcribed Image Text:It is claimed that the average life span of people in rural area is more than 64 years old with a standard deviation of three years. Test this claim at 0.05 level of significance if in the random sample of 250 people, the mean life span resulted to 66 years.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer