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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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