Question

Scores on the Stanford Binet Intelligence Scale (SBIS) are distributed as normal with a mean of 100 and a standard deviation of 16. Use the probabilities under the Normal Curve to answer the following questions.
a. A child scored 84 on the SBIS. What is his z score? -1
b. What percentage of children will fall between 68 and 116?
c. What percentage of children will fall below 100?
d. A child scored 132 on the SBIS. What is her z score? 2

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