Prediction interval for the daily sales at retail store

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Reference no: EM131095964

What conclusion can be made regarding the 95% prediction interval (820, 986) for the daily sales at a retail store that served 100 customers?

a. We are 95% confident that the mean sales on all days in which 100 customers are served will be between 820 and 986.

b. We are 95% confident that the sales on a particular day when 100 customers are served will be between 820 and 986.

c. The sales on a particular day when 100 customers are served lies between 820 and 886.2 with probability .95.

d. The sales on a randomly selected day in which 75 customers are served will be between 820 and 986 about 95% of the time.

Reference no: EM131095964

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