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Mathematics, 13.11.2020 20:10 Nelly6978
If the Stanford-Binet IQ test is a normal curve with mean of 100 and standard deviation of 20, what percent of the population has an IQ below 90? a) 41.73% b) 88.87% c) 31.24% d) 30.85%
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If the Stanford-Binet IQ test is a normal curve with mean of 100 and standard deviation of 20, what...
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