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(a) Find a 20 such that P{z > 20) = 0.9418. {Round your answer to two decimal places.) (b) Find a 20 such that P{z

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(a) Find a 20 such that P{z > 20) = 0.9418. {Round your answer to two decimal places.) (b) Find a 20 such that P{z > 20) = 0.3409. {Round your answer to two decimal places.) You may need to use the appropriate appendix table or technology to answer this

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