dice probability
P(6)
1/6
johnny rolls 1 dice, what’s the probability that he rolls a 2?
1/6
Sammy is picking out desserts for his party from a bag. There are 3 cupcakes, 8 cookies, and 4 ice cream. He draws two times with replacements, what is the probability he draws a cookie then ice cream?
32/225
P’(5)
5/6
Simple event
An event that only has one part
P(3 or 5)
2/6 or 1/3
Veronica rolls 2 dice, what is the probability of rolling an odd number both times?
1/4
Judaea is picking a photo card out of a bag. There are 7 different ones and she draws 2 without replacements. There is Jay, Jungwon, Sunghoon, Ni-Ki, Heeseung, Sunoo, and Jake. What is the probability that she will pick Heeseung then Sunoo?
1/21
3/5
a compound event where the first event does not effect the second
Independent event
P’(1,4,6)
1/2
Taylie picks a candy from a paper bag and replaces it 2 times. In the bag there are 4 lollipops, 2 skittles, and 10 Reese’s cups. What is the pro that she picks a Reese’s the first time and a lollipop the second time.
5/32
P’(7)
1
The probability that is tested and confirmed by scientists based off of a mathematical calculation
Theoretical probability
P’(7 or 8)
1
Chloe pulls 2 cards from the deck, without replacing them. What is the probability that she draws a joker both times?
1/1431
P’(1,2,3,4)
1/3
Experimental probability
the actual results after repeated trials of an experiment
p’(1,2,3,4,5,6)
0/6
Susie draws one sock at a time from the sock drawer 3 times. There are 18 total socks, 4 striped, 10 plain, 4 polka dotted. What is the probability of drawing a striped sock all 3 times if she replaces it every time?
8/729
P’(9 or 3)
5/6
Sample space