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Suppose IQ scores are normally distributed with a mean of 100 and a standard deviation of 16.
a) Draw and label a graph that shows all the information relevant to the problem, including the answer to (b).
b) Find the IQ score of someone who scores below exactly 23% of the population. If working this by hand, show all work. Add all this information to the graph above. If using calculator functions, write out exactly the command you enter.
Apr 11 2020 View more View Less
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