Question
Scores on a certain intelligence test for children between ages 13 and 15 years are approximately Normally distributed with = 101 and o =
Scores on a certain intelligence test for children between ages 13 and 15 years are approximately Normally distributed with = 101 and o = 24. (a) What proportion of children aged 13 to 15 years old have scores on this test above 87? (NOTE: You may enter your answer in percentage or decimal form. For example, 45.23% or 0.4523). 58 (b) Enter the score which marks the lowest 20 percent of the distribution. (c) Enter the score which marks the highest 10 percent of the distribution.
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Statistics For Engineers And Scientists
Authors: William Navidi
3rd Edition
73376345, 978-0077417581, 77417585, 73376337, 978-0073376332
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