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A Find the z score for the number that is

a. Find the z -score for the number that is less than only 1% of the values of a normal distribution. Sketch a graph to show where this value is.

b. Find the z -scores corresponding to the (i) 90th and (ii) 99th percentiles of a normal distribution.

b. Find the z -scores corresponding to the (i) 90th and (ii) 99th percentiles of a normal distribution.

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