statistics 2300 Chapter 5.2-.3
independent- if knowing whether one event occurs does not effect the probability that the other event occurs.
P(A and B) - P(A) x P(B)
P(A or B) - P(A) + P(B) - P(A - B)
if mutually exclusive P (A or B) - P(A) + P(B)
independent- if knowing whether one event occurs does not effect the probability that the other event occurs.
P(A and B) - P(A) x P(B)
P(A or B) - P(A) + P(B) - P(A - B)
if mutually exclusive P (A or B) - P(A) + P(B)