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(c) how large a sample size is necessary if the width of the 95% interval is to be 0.45? (round your answer up to the nearest whole number.)
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(c) how large a sample size is necessary if the width of the 95% interval is to be 0.45? (round your answer up to the nearest whole number.)

User Evamarie
by
8.2k points

1 Answer

1 vote

Answer:

171/400 or 0.4275

Explanation:

multiply the expressions and simplify

User CallumH
by
8.0k points
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