A medical researcher measured the pulse rates(beatsperminute)of a sample of randomly selected adults and found the followingStudent'st-based...

A medical researcher measured the pulse rates​ (beats per​ minute) of a sample of randomly selected adults and found the following​ Student's t-based confidence​ interval: With 95.00​% Confidence, 69.235449 < μ​ (Pulse) < 73.380365

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What's the margin of error for this​ interval? (Round to one decimal​ place.)