Question

Which of the following is the formula for the keyword "probability"?

a. P(E) = n(E)/ n(S)

b. P(E) = 1-P(E)

c. P(E) = P(A) + P(B)

d. P(E) = P(A) + P(B) -P(A and B)

e. P(E) = P(A) * P(B when A has already happened)

f. P(E) = n(A and B)/ n(B)

Answer 1