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Steve Goodman, production foreman for the Florida Gold Fruit Company, estimates that the average sale of oranges is 4,700 and the standard deviation...

Steve Goodman, production foreman for the Florida Gold Fruit Company, estimates that the average sale of oranges is 4,700 and the standard deviation is 500 oranges. Sales follow a normal distribution.
(a) What is the probability that sales will be greater than 5,500 oranges?
(b) What is the probability that sales will be greater than 4,500 oranges?
(c) What is the probability that sales will be less than 4,900 oranges?
(d) What is the probability that sales will be less than 4,300 oranges
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stat and prob.docx

Sol:
(a) Given that ,
By using formula,
,
So, So the probability,
(By using Standard Normal Distribution Table)
(b) By using formula,
,
So, So the probability,
(By using Standard Normal...

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