Question: please show all steps necessary! 4. A restaurant estimates its number of weekly customers to be normally distributed random variable with Mean = 5000 and

please show all steps necessary!

4. A restaurant estimates its number of weekly customers to be normally distributed random variable with Mean = 5000 and S = 800. a) Find probability that number of customers next week will exceed 6500. That is Find Pr(x 3 6500) b) For 90% of the time, the number of customers visiting should exceed what number

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