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Could you help me with this? 2. (20 points) A randomly chosen IQ test taker obtains a score that is approximately a normal random variable

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2. (20 points) A randomly chosen IQ test taker obtains a score that is approximately a normal random variable with mean 100 and standard deviation 15. a) (10 points) What is the probability that the score of such a person is between 90 and 110? b) (10 points) Given this person scores more than 115, what is the probability that he/she scores over 130

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