Sai số của số trung bình tính như nào ạ? Chạy trên minitab thì cần những số liệu nào để tính được ạ ? Xin được giúp đỡ

Meenu wants to create a high quality drawing in a variety of colours. which device should she use for the same?

Technician a says that a shop towel should never be used to clean around the flange area before replacing an automatic transmission filter. technician b says that a dimpled transmission fluid pan can be repaired. who is right

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?