Question
QUESTION 3 The median age of county populations in Wisconsin varies according to a distribution that is approximately Normal (Figure 1) with mean age 42.45
QUESTION 3
The median age of county populations in Wisconsin varies according to a distribution that is approximately Normal (Figure 1) with mean age 42.45 years and standard deviation 4.87 years. The probability that the average median county age for three randomly selected WI counties is greater than 45 years old is about
0.9069
0.8186
0.1814
0.0582
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Introductory Real Analysis
Authors: A N Kolmogorov, S V Fomin, Richard A Silverman
1st Edition
0486134741, 9780486134741
