jbk2000
May 10, 2010, 11:00 AM
Hi can you please help me , I don't know how to do this question. Thanks.
Q/
If X and S^2 (where S^2 =1( ) 21nX Xnii) are the sample mean and sample variance of a
random sample of n = 30 elements from a Normal population, N(9,100), find:
(I) P(40< S^2 <150)
Q/
If X and S^2 (where S^2 =1( ) 21nX Xnii) are the sample mean and sample variance of a
random sample of n = 30 elements from a Normal population, N(9,100), find:
(I) P(40< S^2 <150)