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You are working for a supermarket. The manager has asked you to estimate the mean time taken by a cashier to serve customers at this

You are working for a supermarket. The manager has asked you to estimate the mean time taken by a cashier to serve customers at this supermarket. Briefly explain how you will conduct this study. Collect data on thetime takenbyanysupermarket cashier to serve 40 customers. Then estimate the population mean. Choose your own confidence level

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