Answer
Μ=64.58 ounce
Work Step by Step
μ = ? σ = 0.35 ounce
Area to the left $P(x \geq 64 ) $= 1-0.95 = .05 ounce
From Table IV, this value of z= 1.645
Z = $ \frac{x- μ }{ σ }$
$-1.645*0.35$ = 64- μ
$\mu$=64.58 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 - Section 6.4 - Determining the z and x Values When an Area Under the Normal Distribution Curve Is Known - Exercises - Page 256: 6.44
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