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Q7.         As the merchandise manager, you are responsible for the evaluation of store sales. At guarding...

Q7.         As the merchandise manager, you are responsible for the evaluation of store sales. At guarding do one of your store red cards indicates that average weekly sales for the store are $500. Historically we have found that cells are normally distributed with a standard deviation of $50. ( Round to 4 decimal places).

  1. What probability distribution do we use?
  2. What is the type of random variable?
  3. What table did you use to solve this probability problem? (t, binomial, passion or z)
  4. What is the value of the calculated test statistic ”z”?
  5. Management wants to know the probability of sales will be between $300 and $700.00 per week.?
Math   Statistics-And-Probability   
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