SOLUTION: The measured gestation period of six wild boars in Britain yield sample data (in days): 114, 117, 122, 113, 114, 126 Assuming that the population of gestation periods is normally

Question 1032341: The measured gestation period of six wild boars in Britain yield sample data (in days): 114, 117, 122, 113, 114, 126
Assuming that the population of gestation periods is normally distributed, an 80% confidence interval for the mean gestation period in days of wild boars is about

A 117.7�2.0
B 117.7�2.5
C 117.7�4.3
D 117.7�2.8
E 117.7�3.2

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The measured gestation period of six wild boars in Britain yield sample data (in days): 114, 117, 122, 113, 114, 126
x-bar = 117.7 ; s = 5.24
Assuming that the population of gestation periods is normally distributed, an 80% confidence interval for the mean gestation period in days of wild boars is about -----------------------------------
A 117.7�2.0
B 117.7�2.5
C 117.7�4.3
D 117.7�2.8
E 117.7�3.2
----
sample mean = 117.7
ME = 1.2816*5.24/sqrt(6) = 2.74
-----
Answer:: D
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Cheers,
Stan H.
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