Answer
$8424~balls$
Work Step by Step
According to item (c):
$P(can~be~used)=0.9497$
Let N be the number of balls to be manufactured.
$8000=N\times P(can~be~used)$
$8000=N\times0.9497$
$N=\frac{8000}{0.9497}=8424$
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 7 - Review - Review Exercises - Page 394: 12d
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