Mathematics, 21.05.2020 06:58 pandamaknae2003

A 90% confidence interval is found to be (120, 140). What is the margin of
error?
O A. 9
O B. 20
O C. 10
O D. 18
SUBM

Answers: 2

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A 90% confidence interval is found to be (120, 140). What is the margin of
error?
O A. 9...

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