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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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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