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Given that x is a normal variable with mean=115and standard deviation=11, find the following probabilities. (Round your answers to four decimal places.) (a) P (

Given thatxis a normal variable with mean=115and standard deviation=11, find the following probabilities. (Round your answers to four decimal places.)

(a) P(x120) (b) P(x80) (c) P(108x117)

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