Elementary Statistics (12th Edition)

by Triola, Mario F.

Published by Pearson

ISBN 10: 0321836960

ISBN 13: 978-0-32183-696-0

Chapter 1 - Introduction to Statistics - 1-2 Statistical and Critical Thinking - Basic Skills and Concepts - Page 15: 36

Answer

Impossible.

Work Step by Step

All laque on tth could be cleaned by 100% alone, therefore anything more than 100% is physically impossible. Here, the statement is claiming it can reduce it up to 300%. 300%>100%, therefore it is impossible

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