Question
a. Bruce Springsteen earned a final grade of 88% in his statistics class. The mean for this class was 68% and the standard deviation was
a. Bruce Springsteen earned a final grade of 88% in his statistics class. The mean for this class was 68% and the standard deviation was 6. What is Bruce's z score? Please show your calculations. (3 marks)
b. Donald Trump was in the same statistics class as Bruce Springsteen and earned a final grade of 47%. Again, the mean for this class was 68% and the standard deviation was 6. What is Donald's z score? Please show your calculations. (3 marks)
c. Calculate the area between Bruce Springsteen's and Donald Trump's z scores. Please show your calculations. (3 marks)
d. What is the total area below Bruce Springsteen's score? Please show your calculations. (3 marks)
e. Calculate the area between a Z score of 0.66 and a z score of -2.42. Please show your calculations. (3 marks)
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Advanced Engineering Mathematics
Authors: Erwin Kreyszig
7th Edition
471553808, 978-0471553809
