#### Answer

μ = 20
σ = 5.774

#### Work Step by Step

μ = (30+10)/2 = 20
σ = $(d-c)/\sqrt 12 = (30-10)/\sqrt 12 = 5.774$

Published by
Pearson

ISBN 10:
0321755936

ISBN 13:
978-0-32175-593-3

μ = 20
σ = 5.774

μ = (30+10)/2 = 20
σ = $(d-c)/\sqrt 12 = (30-10)/\sqrt 12 = 5.774$

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