Mrs. Bell measures the heights of the
In approximately what percentile is a singer who is
Each bar of the graph represents an amount of singers. Add up the heights of the bars on the graph for singers under
tall and divide by .
Mrs. Bell models the heights of her singers using a normal distribution with a mean of
inches and a standard deviation of . She assumes her model applies to all girls at the state competition. How many singers at the competition can Mrs. Bell expect to be taller than ?
Use your calculator. What are the lower and upper bounds of the heights you are interested in?
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