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1/
n = 11, df = 11-1= 10
P(t<1.99) = P(t < 1.99 at df = n-1 = 10)
= 0.9627
p = 0.963
2/
df = 17 - 1 = 16
P( - c < t < c) = 0.95
P(-c < t < 0) = .475
P(-c < 0) = .025
c = 2.120
So, c = 2.120
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Used to calculator provided to solve the following
problems
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