Theo thống kê, ba xạ thủ A, B, C có tỷ lệ bắn trúng bia lần lượt là 70%, 75% và 60% cùng bắn vào một tấm bia (xác suất bắn trúng coi như bằng tỷ lệ bắn trúng). Gọi X là biến ngẫu nhiên chỉ số lần bắn trúng.

Bảng phân phối xác suất của X:
X 0 1 2 3
P p1 p2 p3 p4
Tìm số p2

When the amount for land is 36,000 and the amount paid for expenses is 10,000, the balance of total asset is

Which of the following best describes the advantage of living in a suburban area? a. suburbs give people access to city jobs along with more living space. b. suburbs give people easy access to cultural attractions and high-paying jobs. c. suburbs have the widest availability of low-cost housing of any living area. d. suburbs have the lowest population density of any living area.

The following items could appear on a bank reconciliation: a. outstanding checks, $670. b. deposits in transit, $1,500. c. nsf check from customer, no. 548, for $175. d. bank collection of note receivable of $800, and interest of $80. e. interest earned on bank balance, $20. f. service charge, $10. g. the business credited cash for $200. the correct amount was $2,000. h. the bank incorrectly decreased the business's by $350 for a check written by another business. classify each item as (1) an addition to the book balance, (2) a subtraction from the book balance, (3) an addition to the bank balance, or (4) a subtraction from the bank balance.