Answer
15.77 ounce
Work Step by Step
μ = ? σ = .18 ounce
Area to the right $ P(x \geq 16 ) = 0.9$
From Table IV, this value of z= 0.84
Z = $ \frac{x- μ }{ σ }$
1.28*0.18= 16- μ
Μ= 15.77 ounce
Introductory Statistics 9th Edition
by Mann, Prem S.
Published by
Wiley
ISBN 10:
1-11905-571-7
ISBN 13:
978-1-11905-571-6
Chapter 6 - Advanced Exercises - Page 264: 6.61
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