P(A and B)
There are ten sodas in a cooler. Three sprites, five coca colas, and two rootbeers. The probability of first picking up a coke, drinking it, then picking a rootbeer.
1/2 x 2/9= 1/9
What is the probability of flipping a coin and getting heads or tails?
1/2
If I roll a die, what are the odds of the number being higher than 2?
4/6= 2/3
Probability of flipping 2 coins and getting a head and a tail
1/2 x 1/2 = 1/4
A bag has 15 marbles. There are 9 purple, 5 pink, and 1 orange marble. What is the probability of pulling out a purple or orange marble?
9/15 + 1/15 = 2/3
Johnny has 100 Phillies baseball cards. 75 of the cards are of Bryce Harper. 20 of the cards are of Aaron Nola. There are 5 limited edition cards of Jimmy Rollins. What is the probability of picking Bryce Harper and another Bryce Harper card, without replacement?
75/100 x 74/99= 37/66
There 10 sodas in a cooler. There are 5 Cokes, 3 Mountain Dews, and 2 Ginger Ales. What is the probability of pulling out a Mountain Dew or a coke?
5/10 + 3/10 = 8/10
What is the probability of rolling a dice and getting a 5 then flipping a coin and gettings heads?
1/12
A bag has 15 marbles. There are 9 red, 5 blue, and 1 green. What is the probability of pulling out a blue then a green?
5/15 x 1/14 =1/42
A bag contains 250 tickets. There are 100 tickets to the 76ers game, 80 tickets to a concert, and the rest for a movie. What is the probability of pulling out a ticket to a concert or a ticket to a 76ers game?
100/250 + 80/250 = 18/25
A bag contains 250 tickets. There are 100 tickets to a 76ers game, 80 tickets for a concert. The rest of the tickets are for the movies. What is the probability that I pull out a sixers ticket, then my brother pulls a ticket to the movies?
100/250 x 70/249 =28/249
Bill has 100 Astros baseball cards. There are 75 cards of Myles Straw, 20 cards of Francis Martes, and 5 limited edition cards of Jose Altuve. What is the probability of picking a Jose Altuve card or a card of Myles Straw?
75/100+ 5/100 = 4/5
If the odds of Lamar Jackson winning MVP are +6600. How much would you win if you bet $10?
6600/10=$660