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The average score and standard deviation of a biochemistry test were; Mean: 80 Std Dev: 4...

  1. The average score and standard deviation of a biochemistry test were; Mean: 80 Std Dev: 4
    1. What percentage of scores on the test were below 77? Show your calculations.
    2. What percentage of scores on the test were above 84? Show your calculations.
    3. What percentage of scores on the test were between 77 and 84? Show your calculations.
    4. What score on the test did a student earn if that student was at the 65th percentile on that test?
Math   Statistics-And-Probability   
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