A Random Sample of 25,000 ACT Test Takers Had an Average

question 18

Multiple Choice

A random sample of 25,000 ACT test takers had an average score of 21 with a standard deviation of 5. With a .95 probability, determine the margin of error.

• A) .0277
• B) .0568
• C) .2603
• D) .0620

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