Question: For a normally distributed variable, fill in the blanks. a. _____% of all possible observations lie within 1.96 standard deviations to either side of the

For a normally distributed variable, fill in the blanks.
a. _____% of all possible observations lie within 1.96 standard deviations to either side of the mean.
b. _____% of all possible observations lie within 1.64 standard deviations to either side of the mean. 6.

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