is less than 68 inch or greater than 70 inch? 5. Choose a person at random and give him or her an IQ test. The result is a random variable following Normal distribution with u = 100 and standard deviationo = Probability that a randomly chosen person has IQ between 80 and 120. 15. What is the 6 Let X have a normal distribution with u 12 and o = 3. Find the probability that an x

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A: Note: According to our guidelines we can answer only three subparts and rest can be repost.

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