Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. When designing a study to

Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car.

  1. When designing a study to determine this population proportion, what is the minimum number you would need to survey to be99%99% confident that the population proportion is estimated to within 0.050.05? The number of drivers surveyed needs to be at least .
  2. If it were later determined that it was important to be more than 99%99% confident and a new survey were commissioned, how would it affect the minimum number you need to survey? Why?

The minimum number needed to survey will increase since increasing the confidence level increases the zz-score.

The minimum number needed to survey will decrease since increasing the confidence level decreases the zz-score.

The minimum number needed to survey will increase since increasing the confidence level decreases the zz-score.

The minimum number needed to survey will decrease since increasing the confidence level increases the zz-score.

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

Abstract Algebra An Interactive Approach

Authors: William Paulsen

2nd Edition

1498719775, 9781498719773

More Books

Students also viewed these Mathematics questions