Question: The Stanford-Binet Intelligence Test is administered to determine a person'sIntelligence Quotient (IQ). IQ scores calculated using this test are normally distributed with a mean of

The Stanford-Binet Intelligence Test is administered to determine a person'sIntelligence Quotient (IQ). IQ scores calculated using this test are normally distributed with a mean of 100 and a standard deviation of 15.

(a)What percentage of students have an IQ above 110?

(b)The top 10% of the scores on the test are considered to be 'exceptional'. What is the lowest IQ score to be considered exceptional?

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