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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Braiden

Mathematics

23 February, 06:48

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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Jon Bender · Answer 1

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