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 (Round your answers to 2 decimal places): (a) the upper 2 percent? (Hint: the probability to the right of the score is 2%) (a) (b) the lower 10 percent?(Hint: the probability to the left of the score is 10%) (b) (c) the upper 60 percent? (c) (d) the lower 40 percent? (d)

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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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 (Round your answers to 2
decimal places):
(a) the upper 2 percent? (Hint: the probability to the right of the score is 2%)
(a)
(b) the lower 10 percent?(Hint: the probability to the left of the score is 10%)
(b)
(c) the upper 60 percent?
(c)
(d) the lower 40 percent?
(d)
Transcribed Image Text: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 (Round your answers to 2 decimal places): (a) the upper 2 percent? (Hint: the probability to the right of the score is 2%) (a) (b) the lower 10 percent?(Hint: the probability to the left of the score is 10%) (b) (c) the upper 60 percent? (c) (d) the lower 40 percent? (d)
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