Question

Find the margin of error for the given values of c, ?, and n. c = 0.90, ? = 3.2, n = 81. (Round to three decimal places as needed.) Table of Common Critical Values Level of Confidence z_c 90% 1.645 95% 1.96 99% 2.575

          Find the margin of error for the given values of c, ?, and n.
c = 0.90, ? = 3.2, n = 81.
(Round to three decimal places as needed.)

Table of Common Critical Values
Level of Confidence    z_c
90%    1.645
95%    1.96
99%    2.575

Added by Dorothy K.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

08/30/2023

Step 1

From the table, we can see that the critical value for 90% confidence is 1.645. Show more…

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Find the margin of error for the given values of c, σ, and n. c = 0.90, σ = 3.2, n = 81. (Round to three decimal places as needed.) Table of Common Critical Values Level of Confidence z_c 90% 1.645 95% 1.96 99% 2.575