i just need the answer, no explanation needed, topic - Estimation

O4. Revenues reported last week from 9 boutiques franchised by a local entreprenuer averaged RM 59,540 with a standard deviation of RM 6.890. Calculate the 90% condence interval for the reported revenue. Your answer 05. A sample of 6 bookstores, chosen at random, showed that they markup their textbooks by these percentages: 15.8%. 22.6%. 19%r 21.4%. 13.4%. and 20%. Construct a 99% confidence interval for u. Your answer 06. A sample of 6 bookstores, chosen at random, showed that they markup their textbooks by these percentages: 15.8%. 22.6%. 19%r 21.4%. 13.4%. and 20%. Construct a 99% confidence interval for o. Your answer 0?. If a sample of size n = 16 produces a 95% confidence interval for u that ranges from 44.? to 49.9, what are the values of Z and s? Your