Question
Suppose that the scores on particular FDMAT 108 unit exam at BYU-Idaho were normally distributed with a mean of 75and a standard deviation of 8.
Suppose that the scores on particular FDMAT 108 unit exam at BYU-Idaho were normally distributed with a mean of 75and a standard deviation of 8.
About what percentage of the scores were above 91for this unit exam?
%
(Use the 68-95-99.7 Rule.)
Suppose that a cutoff score at 2 standard deviations below the mean or higher may constitute a passing grade, what was the cutoff score for a passing grade on this unit exam?
What is the standard score for a unit exam score of 66?
(Round to two decimals.)
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An Introduction to Measure Theoretic Probability
Authors: George G. Roussas
2nd edition
128000422, 978-0128000427
