SOLUTION: why is a 99% confidence interval wider than 95% confidence interval?
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Question 1055491: why is a 99% confidence interval wider than 95% confidence interval?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
ME =
check out z-values...
2.576 > 1.645
Multiplying by a greater z-value makes interval wider
|
= CI z = value
90% z =1.645
92% z = 1.751
95% z = 1.96 ***
98% z = 2.326
99% z = 2.576 ****
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