Lần I rút 2 lá bài trong bộ bài 52 lá để trên bàn. Lần II rút thêm 2 lá nữa để trên bàn. Sau đó khoanh NN 2 lá. X là số lá cơ có trong 2 lá khoanh sau

cùng.

a/ Tìm phân phối XS của X

b/ Tính XS trong 2 lá đó chỉ có 1 con cơ.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.