How did you determine that the Margin of Error is 1? I got 1.435

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

The formula of margin of error is

Where Zalpha/2 is the (alpha/2)th percentile of standard normal distribution, sigma is the standard deviation and n is the sample size.

Use this formula to find the margin of error

Answer 2

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