Please help me out. Please

label Statistics
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schedule 1 Day
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To decrease the margin of error without decreasing the level of confidence, the sample size needs to be_____.

1. increased

2. decreased

3. kept the same

Oct 19th, 2017

B decreased

please best

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Mar 22nd, 2015

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Oct 19th, 2017
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Oct 19th, 2017
Oct 19th, 2017
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