Prob/Stat Questions
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10. and 11. For a population with mean of 14 and standard deviation of 2.5 ...
How many standard deviations is 16.5 from the mean?
What number is -3.1 standard deviations from the mean?
12. Find the cumulative area under a standard normal curve that corresponds to a z-score of 2.25.
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Solution Summary
This problem set has three questions that involve means, standard deviations, and z-scores.
Solution Preview
10. Subtract 14 from 16.50:
16.50 - 14 = 2.5 (i.e. 1 standard deviation)
The number 16.5 is 1 standard deviation ...
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