Question

Use the normal distribution of IQ​ scores, which has a mean of 75 and a standard deviation of 12​, and the following table with the standard scores and percentiles for a normal distribution to find the indicated quantity.

Percentage of scores greater than 105 is _________ %

Full data set
Standard score	​%	Standard score	​%
minus−3.0	0.13	0.1	53.98
minus−2.5	0.62	0.5	69.15
minus−2	2.28	0.9	81.59
minus−1.5	6.68	1	84.13
minus−1	15.87	1.5	93.32
minus−0.9	18.41	2	97.72
minus−0.5	30.85	2.5	99.38
minus−0.1	46.02	3	99.87
0	50.00	3.5	99.98

nothing ​%.

​(Round to two decimal places as​ needed.)

Answer 1

thank you