Express the confidence interval ( 84.1 % , 91.3 % ) ( 84.1 % , 91.3 % ) in the form of ˆ p ± M E p ^ ± M E .
Solution :
Point estimate = = (Lower confidence interval + Upper confidence interval ) / 2
Point estimate = = (0.841+0.913) / 2 =0.877
Margin of error = ME = Upper confidence interval - = 0.913 - 0.877=0.036
In the form of :
- ME
0.877 +/-0.036
87.7%+/-3.6%
Express the confidence interval ( 84.1 % , 91.3 % ) ( 84.1 % , 91.3...
Express the confidence interval ( 51.2 % , 64.4 % ) in the form of ˆ p ± M E .
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