Answer
The sampling distribution of $x ̅$ is approximately normal with $μ_{x ̅}=2.0~liters$ and $σ_{x ̅}=0.00745~liters$
Work Step by Step
$μ_{x ̅}=μ=2.0$
$σ_{x ̅}=\frac{σ}{\sqrt n}=\frac{0.05}{\sqrt {45}}=0.00745$
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 8 - Review - Test - Page 422: 4a
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