Find the proportion of students who have scores less than


Find the proportion. Consider the ISTEP scores, which are approximately Normal, N(572, 51). Find the proportion of students who have scores less than 620. Find the proportion of students who have scores greater than or equal to 620. Sketch the relationship between these two calculations using pictures of Normal curves similar to the ones given in Example 3.36.

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Basic Statistics: Find the proportion of students who have scores less than
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