Learning checklist You have now learned how to: Calculate basic probabilities Calculate the probability of two events happening Calculate the probability of mutually exclusive events Calculate the probability of independent events Deal with conditional probability Solve probability problems...
If there are two events A and B, conditional probability is a chance of occurrence of event B provided the event A has already occurred. The formula for the conditional probability of happening of event B, given that event A, has happened is P(B/A) = P(A ∩ B)/P(A). What is ...
Printable & Online Probability Worksheets Probability Problems involving complementary events Example: . What is the probability of not getting a white ball? Solution: Example: . What is the probability of drawing a blue card? Solution: Let A = event of drawing a red card B = event of dra...
Videos that will help GMAT students review probability of simple events. Probability of an Event (Number Cube) Learn to find the probability of an event using probability formula Calculating the Probability of Simple Events This video shows the basic idea and a few simple examples of calculating...
Many events can't be predicted with total certainty. The best we can say is how likely they are to happen, using the idea of probability.Tossing a CoinWhen a coin is tossed, there are two possible outcomes:Heads (H) or Tails (T)...
In probability, we talk about events" and outcomes." An event is anything that happens. An outcome is the result of what happens. A coin flip, for example, can have two possible results -- heads or tails. When you flip a coin (an event), the result (outcome) is either heads or ta...
1. Lisa has a two-sided coin with heads and tails. She also has a spinner with four colors: green, blue, red, and yellow. What is the probability of Lisa flipping the coin and getting heads and spinning the spinner to land on green?
Find the probability of a composite number turning up on the top face. Solution: The number of possible outcomes is 6 Yes, they are equally likely because the probability of all the outcomes to occur individually is the same. 4 and 6 are the only two composite number in the list. So, ...
When two events aremutually exclusive, the probability of theirunioncan be calculated with theaddition rule. We know that for rolling a die, rolling a number greater than four or a number less than three are mutually exclusive events, with nothing in common. So to find the probability of thi...
Addition rules in probability provide a way to calculate the probability of the union of two events.