bethzabezarahi
19.08.2021 •
Mathematics
Cho X, Y là hai biến ngẫu nhiên cùng tuân theo 1 quy luật phân phối xác suất, với EX=EY=m chưa biết, VX=4, VY=3, X ngnag là trung bình của mẫu có kích thước bằng 3, Y ngang là trung bình của mẫu có kích thước bằng 4, Z=a * Xngang +b*Yngang,tìm a b để Z là ước lượng không chệch của m
Solved
Show answers
More tips
- F Family and Home How to Remove Fading from Clothes: Tips and Tricks...
- F Food and Cooking How to Make Polendwitsa at Home?...
- F Family and Home Parents or Environment: Who Has the Most Influence on a Child s Upbringing?...
- P Philosophy Unbelievable stories of encounters with otherworldly forces...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- H Health and Medicine How to Treat Whooping Cough in Children?...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
Answers on questions: Mathematics
- M Mathematics 20. A body of mass 20kg lies on a horizontal floorand is acted on by constant forces ofmagnitudes 100N and mN in the directions180° and 060° respectively, where m is aconstant....
- M Mathematics A researcher center poll showed that 79% of people believe that it is morally wrong to not report all income on tax returns. What is the probability that someone does...
- M Mathematics Look at the coordinate plane below. Record the names of the points that you have circled in the increasing order of the second coordinate and you will have a way to compare...
- M Mathematics Solve -3 1/2= 1/2x + 1/2 x + x....
- M Mathematics Quadrilateral A B C D is a reflection of quadrilateral ABCD over the x-axis. what is the length of A D? A, 6 unites B, 4 unites C, 3 unites D, 7 unites...
- M Mathematics Which sample is the best representation of a box that holds 20 red buttons, 60 green buttons, 80 blue buttons and 40 yellow buttons?...
- M Mathematics Suppose that an insurance company insures more than one million individuals with a policy that the company actuaries believe will net them an average profit of $20 per...
- M Mathematics I need help please plot it by writing it on the pic....
- M Mathematics What is the complete factorization of the polynomial below? x^3+ 5x^2- x-5...
- M Mathematics Yvonne is interested in testing...
Ответ: