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The winning team's score in 7 high school basketball games was recorded.If the sample mean is 68.3 points and the sample standard deviation is 13.0
The winning team's score in 7 high school basketball games was recorded.If the sample mean is 68.3 points and the sample standard deviation is 13.0 points, find the 98% confidence interval of the true mean if the distribution of points is normal.
Select one:
a.63.473.2
b.52.983.7
c.56.979.7
d.37.499.2
e.Cannot be determined
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