Question: Use the standard normal table to determine the z-score necessary to construct a symmetric interval around the mean of a normal distribution in order to

Use the standard normal table to determine the z-score necessary to construct a symmetric interval around the mean of a normal distribution in order to bound
a. 90% of the values in the distribution.
b. 95% of the values in the distribution.
c. 99% of the values in the distribution.

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