A normal random variable x has mean u = 1.8 and standard deviation o = 0.18. Find the probability associated with each of the following intervals. (Round your answers to four decimal places.) (a) 1.00 < x < 1.20 (b) x > 1.31 (c) 1.45 < x < 1.60 You may need to use the appropriate appendix table or technology to answer this question.

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