If the sample size n increases from 35 to 50 what happens to the width of the confidence interval? a) The width of the confidence interval decreases.
b) Nothing. The change in the sample size has no effect on the width of the interval.
c) The width of the confidence interval increases.

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0