1) What is the area if the z -value is 1.78 a) 0.4625 b) 0.4699 2) What is the mean and standard deviation of the standard normal curve? a) mean=1 and standard deviation=0 b) Mean=0 and standard deviation=1 3) What is the area of z=3.12 a) 0.4991 b) 0.4987

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