QUESTION 20 The manager of a paint store, wants to estimate the mean amount of a product sold per day. He selected a sample of 25 business days and found a sample mean of 61 litres and a sample standard deviation of 24. Assuming that the daily amounts are normally distributed, calculate the lower confidence limit (LCL) of the 92% confidence interval for the mean amount of the product sold per day. If needed, round your answer to two decimal places.

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A: Solving:

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