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Q2. A set of final test marks in an introductory statistics unit is normally distributed with...

Q2. A set of final test marks in an introductory statistics unit is normally distributed with a mean of 73 and a standard deviation of 8.

If the lecturer gives grades of High Distinction to the top 5% of students on tests described above (i.e. mean of 73 and a standard deviation of 8), are you better off with a mark of 80 on this test or a mark of 68 on a different test where the mean is 62 and the standard deviation is 3? Show your answer statistically and explain.

*I'm not sure how you find the Z value

Math   Statistics-And-Probability   
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