## Elementary Statistics (12th Edition)

Published by Pearson

# Chapter 4 - Probability - 4-2 Basic Concepts of Probability - Basic Skills and Concepts - Page 145: 24

#### Answer

$0.95$

#### Work Step by Step

We know that $probability=\frac{number \ of \ good \ outcomes}{number\ of\ all\ outcomes}$. Therefore $probability=\frac{950}{1000}=0.95$. For a negative result, this is quite far from 0.866.

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