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Suppose That the Amount of Time It Takes to Develop

Question 68

Multiple Choice

Suppose that the amount of time it takes to develop a new iPhone app is normally distributed with an average of 8 weeks and a standard deviation of 2 weeks.Fill in the blank in the following sentence: "There is a 25% probability that development time will be between how many weeks and 8 weeks."


A) 2.0
B) 6.0
C) 6.7
D) 7.8
E) 8.6

Correct Answer:

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