(a) P(600 ≤X < 660). (b) A constant c> 0 such that P(|X-650 ≤ c) = 0.95.

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Chapter3: Functions And Graphs
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3.3-7. If X is N(650, 400), find
(a) P(600 < X < 660).
(b) A constant e > 0 such that P(|X-650 ≤ c) = 0.95.
Transcribed Image Text:3.3-7. If X is N(650, 400), find (a) P(600 < X < 660). (b) A constant e > 0 such that P(|X-650 ≤ c) = 0.95.
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