krystalhurst97
krystalhurst97
26.03.2020 • 
Mathematics

Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=96μ=96 and σ=18σ=18. (a) What proportion of children aged 13 to 15 years old have scores on this test above 82 ? (b) Enter the score which marks the lowest 30 percent of the distribution. (c) Enter the score which marks the highest 15 percent of the distribution.

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