Answer
$μ_ {x̅}= 67$
$σ_{x̅} = 4.95$
Work Step by Step
Here n = 50 (so we can assume that the distribution is normal).
$μ_ {x̅}= μ = 67$
$σ_{x̅} = \frac{σ}{n} = \frac{35 }{\sqrt 50} = 4.95$
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 - Section 8.1 - Assess Your Understanding - Applying the Concepts - Page 412: 30b
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