iq scores are normally distributed with a mean of 100 and a standard deviation of 15. What percentage of people have an IQ betwe
en 130 and 100 a)13.5% b)47.5% c)95% d)27%
1 answer:
Answer:
"approximately 47.%"
Step-by-step explanation:
Using the statistical function normalcdf( on my old TI-38 calculator:
normalcdf(100,130, 100, 15) returns the fraction 0.477,
so the final answer here is "approximately 47.%"
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Https://photomath.net/s/82J2v5
Answer:
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Step-by-step explanation:
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Answer:
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