Answer
a
Work Step by Step
a) 5 and 2
-The mean of a binomial distribution is equal to n*p , or 25 .20 = 5
-The Standard Deviation is obtained by taking the square root of n*p*q, or the square root of 25*.20*.80 = 2
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 5 - Self-Review Test - Page 217: 7
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