Question
one bag contains 4 white balls,2 black balls.another bag contains 3 white balls 5 black balls.if one ball is drawn from each bag. find that
a) both are white?
b) both are black?
c)one is white and one is black?
a) both are white?
b) both are black?
c)one is white and one is black?
Answers
PsyDAG
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
a. 4/6 * 3/8 = ?
b. same process
c. Either-or probabilities are found by adding the individual probabilities.
4/6 * 5/8 + 2/6 * 3/8 = ?
a. 4/6 * 3/8 = ?
b. same process
c. Either-or probabilities are found by adding the individual probabilities.
4/6 * 5/8 + 2/6 * 3/8 = ?