Question
The numbers 24.4, 18.9, 12.8, 20.5, 19.1, 15.2, 21.7, 14.6 form a random sample of values of a normally distributed random variable. (a) Find a
The numbers 24.4, 18.9, 12.8, 20.5, 19.1, 15.2, 21.7, 14.6 form a random sample of values of a normally distributed random variable.
(a) Find a 98% confidence interval for the mean of X.
(b) Find a 90% confidence interval for the standard deviation ofX
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Intermediate Algebra Functions & Authentic Applications (Subscription)
Authors: Jay Lehmann
6th Edition
0134779487, 9780134779485
