this is theory of statistics (2) from the book Introduction to Theory of Statistics, 4th ed. by Mood, A.M.,Greybill,F.A and Boes, D.C.,Mc Graw-Hill. ch2,3,4,5,6.
my final exam will be totally the same with the questions i posted. please help its my graduation.
My final exam is on Monday 14/june. I need it to be done at 3pm GMT. today 12/June.
i have 3 questions more. and please i need a step by step precise and exact solution.