8 4 points Suppose a 99% confidence interval was computed based on a sample of size 28. If the sample size were decreased to 20, what impact would this have on the margin of error and width of the confidence interval? O The margin of error would increase and the width would decrease. O Both the margin of error and the width would decrease. O Neither the margin of error nor the width would be affected. O Both the margin of error and the width would increase. O The margin of error would decrease and the width would increase