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Which expression should you simplify to find the 90% confidence interval for a sample of 64 people with a mean of 36 and standard deviation of 4?

User Mkrus
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2 Answers

4 votes

Answer:

Explanation:

36 +_ 1.645 * 4/sqrt36

User Jaco
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2 votes

Answer:

36 ± 1.645 ·
\frac{4} √(64)

Explanation:

User Mannie
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