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The average the score for a standard test has a mean of 185. Assume that the score is normally distributed and that the standard deviation
- The average the score for a standard test has a mean of 185. Assume that the score is normally distributed and that the standard deviation is 25.
- If a student happens to get a score at 25% percentile, that is the score?
- If you select a random sample of 36 individuals, what is the probability that the sample mean is between 180 and 200?
- If you select a random sample of 100 individuals, what is the probability that the sample mean is between 180 and 187?
- Based on the sample of part c, what is the cutoff value for top 10%?
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Abstract Analytic Number Theory
Authors: John Knopfmacher
1st Edition
0486169340, 9780486169347
