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PLS HELP….
The Wechsler Adult Intelligence Scale scores are approximately Normal, with a mean of 100 and a standard deviation of 15. For each part below, use Table A and sketch a Normal curve and shade the area representing the region. Show all your work.
A) what is the proportion of adults with scores between 80 and 120?
B) what is the proportion of adults with scores above 110?
HELPP PLSS
Sagot :
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