CÂU HỎI 19 (SINGLECHOICE)
Ty Đánh dấu
Suppose that X has a discrete uniform distribution f(x)=1/3 with x = 1,2,3.
A random sample of n = 30 is selected from this population. Find the probability that the sample mean is greater than 1.9 but less than 2.3, assuming that the sample mean would be measured to the nearest tenth.
0.747565
0.747265
None of the other choices is correct
0.726355
