In: Statistics and Probability
90% Ci = (76.4599, 200.4367)
95% Ci = (64.5898, 212.3068)
99% Ci = (41.2264, 235.67)
Would an 85% confidence interval be narrower or wider than the intervals computed above? Explain your reasoning.
If the sample size consisted of 60 instead of 30, what would happen to the confidence intervals computed above? Explain your reasoning.