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review 2 for test 3

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
IQ scores are normally distributed with a mean of 100 and standard deviation of 14. What percentage of people have IQ scores between 100 and 110?   26.11%  
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IQ scores are normally distributed with a mean of 100 and standard deviation of 14. What percentage of people have IQ scores between 110 and 125?   20.22%  
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IQ scores are normally distributed with a mean of 100 and standard deviation of 14. What percentage of people have IQ scores more than 125?   3.67%  
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IQ scores are normally distributed with a mean of 100 and standard deviation of 15. What percentage of people have IQ scores less than 70.6?   2.5%  
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The BMI of a healthy person is normally distributed with mean 22 kg/square metre and standard deviation 7 kg/square metre. What is the probability that a person has a BMI larger than 38.31 kg/ square metre?   approximately 1% (0.99%)  
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The BMI of a healthy person is normally distributed with mean 22 kg/square metre and standard deviation 7 kg/square metre. What is the probability that a person has a BMI between 12.69 and 31.31 kg/ square metre?   0.8164  
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The BMI of a healthy person is normally distributed with mean 22 kg/square metre and standard deviation 7 kg/square metre. What is the probability that a person has a BMI between 12.69 and 15 kg/ square metre?   0.0669  
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The BMI of a healthy person is normally distributed with mean 22 kg/square metre and standard deviation 7 kg/square metre. What is the probability that a person has a BMI larger than 15 kg/ square metre?   0.8413  
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Created by: kkamran
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