Solve the Problem. -Based on a Sample of 36 Randomly Selected Years, a Selected

question 25

Multiple Choice

Solve the problem.
-Based on a sample of 36 randomly selected years, a 90% confidence interval for the mean annual precipitation in one city is from 46.8 inches to 49.2 inches. Find the margin of error.

• A)0.33
• B)2.4 inches
• C)1.2 inches
• D)There is not enough information to find the margin of error.

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