Mathematics, 08.12.2019 01:31 nathanphelps2468

Scores of an iq test have a bell shaped distribution with a mean of 100 and a standard deviation of 19. use the empirical rule to determine the following a. what percentage of people has an iq between 43 and 157? b. what percentage of people have an iq score less than 81 and greater than 119? c. what percentage is greater than 138?

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Scores of an iq test have a bell shaped distribution with a mean of 100 and a standard deviation of...