Find the margin of error with the given values: 𝑐 = .9, 𝑥̅ = 8.1, 𝜎 = 2.5, 𝑛 = 36 (a) .685 (b) .375 (c) .817 (d) 1.37

Answer 1

margin of error = z-critical * 2.5/6. z-critical for 0.95 is 1.645, so margin of error = 1.645 * 2.5/6 ~ 0.685 (a).