Question: 20. In the example in problem 18, assume that the mean is 300 and the standard deviation is 25. Using a normal curve table, what

20. In the example in problem 18, assume that the mean is 300 and the standard deviation is 25. Using a normal curve table, what scores would be the top and bottom scores to find

(a) the middle 50% of architects,

(b) the middle 90% of architects, and

(c) the middle 99% of architects?

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