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Find the margin of error for the given values of c,, and n. c=0.90,=3.1,n= 81 Level of Confidence Zc 90% 1.645 95% 1.96 99% 2.575
Find the margin of error for the given values of c,, and n.
c=0.90,=3.1,n= 81
Level of Confidence | Zc |
90% | 1.645 |
95% | 1.96 |
99% | 2.575 |
E= _______ . (Round to three decimal places as needed.)
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