Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

a) A newspaper journalist is researching people's opinion on the decrease in isolation times for close contacts of COVID-19 positive individuals. The journalist took a

a) A newspaper journalist is researching people's opinion on the decrease in isolation times for close contacts of COVID-19 positive individuals. The journalist took a random sample of 60 adults and found 42 individuals agreed with a decrease in isolation times for close contacts. Assume the conditions are satisfied and do NOT need to be checked here.

ii) Calculate an 80% confidence interval. SHOW BASIC WORKINGS.

iii) Interpret your confidence interval for the journalist.

b) A student made the following statement:

"Holding all else constant, as we decrease the confidence interval percentage, the confidence interval becomes wider."

State whether you agree or disagree with this student.

Briefly explain the reasoning behind your answer.

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_2

Step: 3

blur-text-image_3

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

A Course In Number Theory

Authors: Mofidul Islam

1st Edition

9353147069, 9789353147068

More Books

Students also viewed these Mathematics questions

Question

13. Give four examples of psychological Maginot lines.

Answered: 1 week ago