Asked by Tonya
                The time to complete a standardized exam is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes. (Z=(x-u)/standard deviation
If students are given 85 min to complete the exam what Probability that students will not finish?
What percent of students will complete the exam between 63 min and 80 min?
            
        If students are given 85 min to complete the exam what Probability that students will not finish?
What percent of students will complete the exam between 63 min and 80 min?
Answers
                    Answered by
            oobleck
            
    You can play around with Z table stuff here:
http://davidmlane.com/hyperstat/z_table.html
    
http://davidmlane.com/hyperstat/z_table.html
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