Answer
E = 57.5
Work Step by Step
The expected frequency is given by:
E =np
E = 230 x 0.25
E = 57.5
Elementary Statistics: Picturing the World (6th Edition)
by Larson, Ron; Farber, Betsy
Published by
Pearson
ISBN 10:
0321911210
ISBN 13:
978-0-32191-121-6
Chapter 10 - Chi-Square Tests and the F-Distribution - Section 10.1 Goodness-of-Fit Test - Exercises - Page 532: 5
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