probability line
certain
_____is what you think or expect to happen.
Theoretical probability
_____ events happen without affecting each other.
Independent
What is the probability term for something that has a 1/2 chance of occurring?
equally likely
Samuel rolls a die 5 times. This is what he got each roll: 3,6,2,3,1. What is the experimental probability of him rolling a 3?
2/5 = 40%
Zadie has a pizza. Zadie randomly picks and eats 1 slice before randomly picking another slice. What kind of events are these?
Dependent
True or False: something that has a 3/4 chance of occurring is unlikely to happen.
False. 3/4=75%
Lawson has a deck of 52 playing cards. 26 cards are red and 26 are black. He randomly picks a card, records the color, and puts it back. He does this 5 times and gets these results: R, B, B, B, R. What is the theoretical probability of him getting a red card?
1/2
Find the probability. You roll a 6-sided die twice. What's the chance of getting an even number the first roll and a 3 the second roll?
1/12
Joey has 4 quarters, 3 dimes, 2 nickels, and 1 penny. What is the probability of him randomly selecting a quarter OR a dime?
7/10 = 70% (Likely)
Vivi flipped a coin 10 times. Here are her results: H, T, T, T, H, H, T, T, T, H. Which is greater - the theoretical or experimental probability of her landing tails?
Experimental
Find the probability. Lily has 2 apples, 5 oranges, 3 bananas, and 5 cherries. She randomly picks and eats a fruit before randomly grabbing another one. What is the probability of her picking an orange the first time and a banana the second time?
3/42
Ben has 12 lollipops, 4 gumballs, 3 jellybeans, and 1 mint in a bag. What is the likelihood that he randomly selects a gumball or a jellybean?
7/20 = 35% (unlikely)
Isaac has a bag of Legos. 2 of them are red, 6 are blue, 5 are green, 4 are white, and 7 are yellow. Which of the following does he have a higher theoretical probability of randomly picking - option A or option B? Option A = a red or green Lego. Option B = a blue or white Lego.
Option B - blue or white
Dana has 8 red shirts, 2 blue shirts, 4 blue pants, and 6 white pants in her closet. She randomly picks an item and leaves it on her bed before randomly picking another one. What is the probability of her picking a blue shirt the first time and a blue item the second time?
1/38