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Ba8b5ygidavash Ba8b5ygidavash
  • 01-08-2016
  • 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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NIAVENTURA NIAVENTURA
  • 01-08-2016
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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