Question: 1. Using a normal standard curve the probability values range from _- 3 to _3 2. For a select group the average IQ is 105

 1. Using a normal standard curve the probability values range from

1. Using a normal standard curve the probability values range from _- 3 to _3 2. For a select group the average IQ is 105 with a standard deviation of 15. What is the z-score of someone: Z = X- X SX a. With and IQ of 93? Z = 93-105 75 - - 0.8 b. With and IQ of 135? Z= 135-105 75 = 2 c. What is the probability that someone scored 135 or higher

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