Mathematics
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iq scores on the wais test approximate a normal curve with a mean of 100 and a standard deviation of 15. what iq score is identified with

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IT would be  (a) P (130.8062 < x) = P (2.0537 < z) = 0.02  (b) P (x < 80.7767) = P (z < -1.2816) = 0.1  (c)P (96.1998 < x) = P (-0.2533 < z) = 0.6  (d)P (70.6005 < x < 129.3995) = P (-1.9600 < z < 1.9600) = 95 %  (e)P (61.3626 < x < 138.6374) = P (-2.5758 < z < 2.5758) = .99

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