Answer
$30.5\%$
Work Step by Step
Using the Law of Forgetting with $c=0.3,P_0=0.8,$ and $t=2(12)=24$, we get:
$P=\frac{0.8}{(24+1)^{0.3}}=0.305=30.5\%$
So we expect a score of about $30$.
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 4, Exponential and Logarithmic Functions - Section 4.4 - Laws of Logarithms - 4.4 Exercises - Page 395: 72
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