Precalculus (6th Edition) Blitzer

Published by Pearson

Chapter 10 - Test - Page 1127: 23

Answer

$\dfrac{78}{100}$

Work Step by Step

We see that there are a total of $100$ students in this survey and this can be our denominator. Also, there are $40$ students with brown eyes and $38$ students with blue eyes in this survey; this can be our numerator. This implies that we need $78$ students. That is, $\dfrac{78}{100}$

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