MAS291Xuất hiện trong 1 đề thi
A confidence interval was used to estimate the proportion of statistics students that are females. A random sample of 72 statistics students generated the following 90% confidence interval: (0.438, 0.642). Based on the interval above, is the population proportion of females equal to 0.60?
Các lựa chọn
ANo. The proportion is 54.17%.
BYes, and we are 90% sure of it.
CNo, and we are 90% sure of it.
DMaybe. 0.60 is a believable value of the population proportion based on the information above.