Question: WITH 90% CONFIDENCE, FOR SAMPLE MEAN 391.50, SAMPLE STANDARD DEVIAITON 13.40, AND SAMPLE SIZE 35, WHAT IS THE UPPER CONFIDENCE LIMIT WITH 2 DECIMAL PLACES.

WITH 90% CONFIDENCE, FOR SAMPLE MEAN 391.50, SAMPLE STANDARD DEVIAITON 13.40, AND SAMPLE SIZE 35, WHAT IS THE UPPER CONFIDENCE LIMIT WITH 2 DECIMAL PLACES. HINT: WHAT IS THE CRITICAL VALUE FOR AN 95% CONFIDENCE LEVEL?

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