Multiple Choice
Suppose the thickness of the blacktop on a road that has recently been resurfaced is normal with a mean of 6 cm and a standard deviation of 0.4 cm. What percentage of the blacktop is at least 5 cm thick?
A) 0.883
B) 0.994
C) 0.006
D) 0.722
E) 0.432
Correct Answer:
Verified
Correct Answer:
Verified
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