Problem 2. The scores on a college placement exam have as mean µ = 150 points and as standard deviation o = statement about the percentage of scores that lies a) between 132 and 168 points; b) between 114 and 186 points; c) between 102 and 198 students. d) Assume now that the scores are normally distributed. What fraction of points are between 118 and 134? And above 182? 16 points. Use the Chebychev's Theorem to make a

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Problem 2. The scores on a college placement exam have as mean µ =
and as standard deviation o =
150 points
16 points. Use the Chebychev's Theorem to make a
statement about the percentage of scores that lies
a) between 132 and 168 points;
b) between 114 and 186 points;
c) between 102 and 198 students.
d) Assume now that the scores are normally distributed. What fraction of points
are between 118 and 134? And above 182?
Transcribed Image Text:Problem 2. The scores on a college placement exam have as mean µ = and as standard deviation o = 150 points 16 points. Use the Chebychev's Theorem to make a statement about the percentage of scores that lies a) between 132 and 168 points; b) between 114 and 186 points; c) between 102 and 198 students. d) Assume now that the scores are normally distributed. What fraction of points are between 118 and 134? And above 182?
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