Refer to the accompanying data display that results from a s…
Questions
Refer tо the аccоmpаnying dаta display that results frоm a simple random sample of times (minutes) between eruptions of the Old Faithful geyser. The confidence level of 95% was used. T Interval (63.97, 72.55) = 68.26 Sx = 12.11 n = 33 (a) Express the confidence interval in the format that uses the "less than" symbol. Round the confidence interval limits given that the original times are all rounded to one decimal place. min < < min (Round to two decimal places as needed.) (b) Identify the best point estimate of and the margin of error. The point estimate of is minutes. (Round to two decimal places as needed.) The margin of error E = minutes. (Round to two decimal places as needed.) Formulas and Tables-79486924-005c-414a-b0f6-991d200540a1.pdf