Mathematics, 27.09.2019 20:50 stevenssimeon30

Scores of an iq test have a bell shaped distribution with a mean of 100 and a standard deviation of 20. use the empirical rule determine the following.
a. what percentage of people have an iq score between 40 and 160?

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Scores of an iq test have a bell shaped distribution with a mean of 100 and a standard deviation of 20. use the empirical rule determine the following. a. what percentage of people have an iq score between 40 and 160?

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Another question on Mathematics

Scores of an iq test have a bell shaped distribution with a mean of 100 and a standard deviation of 20. use the empirical rule determine the following.
a. what percentage of people have an iq score between 40 and 160?