Scores on exam-1 for a statistics course are normally distributed with mean 65 and standard deviation...
Scores on exam-1 for a statistics course are normally distributed with mean 65 and standard deviation 1.75. What scores separates highest 15% of the observations of the distribution ?
Homework Answers
Z=1.04..................by using Z table or Excel =NORMSINV(1-0.15)
Therefore,
| Score 66.82 separates highest 15% of the observations of the distribution. |
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Scores on exam-1 for a statistics course are normally
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Scores on an exam are normally distributed with a mean of 65 and a standard deviation...
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