Bell_Ringer_Lesson_2.5_Will_Marty_Make_it_Back_to_the_Future

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Florida International University *

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2122

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Industrial Engineering

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Jan 9, 2024

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Will Marty Make it Back to the Future? After accelerating for 20 seconds, a DeLorean sports car has a wide range of speeds that it can achieve, depending on traction. The distribution of speed follows an approximately normal distribution with a mean of 80 mph and a standard deviation of 7.7 mph. 1. Label the appropriate values on the normal distribution 56.9/64.6/72.3/80/87.7/95.4/103.4 2. What percent of the runs will give the Delorean a speed greater than 87.7 mph?  16% 3. What percent of the runs will give the Delorean a speed between 64.6 mph and 87.7 mph?  81.5% 4. What percent of the runs will give the Delorean a speed less than 68.45 mph?  2.5% The distribution of speed follows an approximately Normal distribution with a mean of 80 mph and a standard deviation of 7.7 mph. SHOW YOUR WORK! 5. What percent of the runs will give the Delorean a speed less than 68.45 mph?

 6.68% 6. What percent of the runs will give the Delorean a speed greater than 85 mph?  25.78% 7. What percent of the runs will give the Delorean a speed between 70 and 95 mph?  87.76%

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Bell_Ringer_Lesson_2.5_Will_Marty_Make_it_Back_to_the_Future

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