Percentage of the population
In a normal distribution what percentage of the population can be expected to be found within +/-3 standard deviations from the mean?
a) Zero
b) 99.7%
c) 68%
d) 95.4%
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Towers supporting cable are 400 feet apart and 100 feet high. If cables are at the height of 10 feet midway between towers, find height of cable at the point 50 feet from center of bridge?
In the normal distribution what percentage of the population can be expected to be found within +/-2 standard deviation from the mean?
Which of the following is fact about the expected value of perfect information?
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