6 of 25 (4 complete) 9.1.15
Construct a 90% confidence interval of the population proportion using the given information.
x= 105, n = 150
Click here to view the table of critical values.
The lower bound is
The upper bound is
(Round to three decimal places as needed.)
Table of critical values
Area in Each Tail,
Critical Value,
Level of Confidence,
(1 - a). 100%
90%
95%
99%
0.05
1645
0.025
0.005
196
2.575
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