Use the confidence level and sample data to find the margin of error, E, for 2TT...

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Use the confidence level and sample data to find the margin of error, E, for 2TT

If an interval estimate of the mean life, in hours, of light bulbs is 100 to 280 hours, then determine the margin of error.

(a) 230 hours (b) 90 hours (c) 50 hours (d) 180 hours

math Statistics-And-Probability

Answer 1

Answer #1

Answer 2

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