following Normal distribution with u = 100 and standard deviation o = 15. What is the Probability that a randomly chosen person has IQ between 80 and 120. 6. Let X have a normal distribution with u = 12 and o 3. Find the probability that an x value selected at random from this distribution is between 11 and 14? funtional life that is nomally distributed with mean of 2.2 Di

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