Cho thí nghiệm ngẫu nhiên có không gian mẫu và bảng phân phối xác suất X 0 1 2 3 4 5
P 0,1 0,2 0,1 0,4 0,1 0,1
Hãy tính xác suất:
a. A = {0,3,5}.
b. B = “Số lẻ”.
c. C = “Số lớn hơn 2”.
d. D = “Số lớn hơn 6”.
e. Tìm ModX, EX, V arX.
f. Tính P(−1 < X < 3); P(|X − EX| < 2,5); P(|X − EX| > 3,1).

Which account has the highest effective annual interest rate? not necessary but show how you got your answer. a. account 1: interest is compounded quarterly at an annual rate of 4.20%.b. account 2: interest is compounded monthly at an annual rate of 4.15%.c. account 3: interest is compounded semiannually at an annual rate of 4.10%d. account 4: interest is compounded annually at a rate of 4.25%.