Vocabulary
Define Probability?
what is how likely something is supposed to happen
What is the chance of rolling a even number in a fair number cube? (write as a percent)
what is 50%
Cookie Monster Movie Theater served 23 lemonades out of a total of 111 fountain drinks last weekend
What is the probability that the next fountain drink ordered is a lemonade?
(write as fraction)
what is 23/111
Katie spins a spinner with 5 equal sections numbered 1-5 and she spins another spinner with 5 equal sections with the letters A-E. What is the probability she will spin a 4 and a A?
(write as a percent)
what is 4%
How likely is it that a coin is flipped and lands on tails?
what is equally likely
Describe the difference between events that are certain, likely, equally likely, unlikely, or never going to happen.
Certain would be 100% , likely is anything greater than 50% , equally likely is exactly 50%, unlikely is anything less than 50% , and never is anything that has a 0% chance of occuring
What is the probability of rolling two odd numbers in a row with a standard number cube?
what is 1/4, .25, 25%
A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?
what is 1/10
If you flip three fair coins, what is the probability that the first two flips will both be heads, and the third flip will be either heads or tails?
what is 1/4
How likely is it that a number cube lands on 2 and a coin lands on heads?
what is unlikely
Define compound event?
What is probability of finding more than one event occuring at one time.
A party host gives a door prize to one guest chosen at random. There are 48 men and 42 women at the party. What is the probability that the prize goes to a woman? (write as fraction)
what is 7/15
Steven donates 18 mittens, 7 hats, 9 coats, and 14 boots to a charity. What is the probability that his next donation is not a mitten??
(write answer as decimal rounded to nearest hundreth )
what is .63
Joe has a bucket of cubes and he is blindfolded, there are 2 blue cubes, 5 red cubes, 6 green cubes, 1 purple cube, and 2 yellow cubes. What is the chance of getting a red cube first and replacing it then getting a green cube?
what is 15/128
The probability of a thunderstorm being located within 5 miles of your house sometime tomorrow is 3/5. How likely is the event to occur?
what is likely
Define the counting principle?
what is a rule used to count the total number of possible outcomes in a situation ex; if there are m ways of doing something and n ways of doing anything mxn
One card is drawn from a deck of 52 cards, well-shuffled. Calculate the probability that the card will be a ace?
write as fraction
what is 1/13
Rosa will toss a fair coin twice. If you know that the first coin toss resulted in heads, what would the probability be that both coins would land on heads?(write as fraction)
what is 1/2
there are 17 marbles 10 blue and 7 black what's the probability of picking a black marble
What is 7/17
Mr. Johnson taught a music class for 25 students under the age of ten. He randomly chose one of them. What was the probability that the student was under twelve?
what is likely
Define a dependent event?
What is the result of the second event is affected by the result of the first event.
You roll two fair dice. What is the probability their sum is greater than 4?
(write answer as fraction)
what is 5/6
Jason rolled a die, his results are
1) 230 , 2) 245, 3) 300, 4) 280, 5) 215, 6) 230
what is the expiremental probability he rolls a 4 or 6?
(write as a fraction)
what is 17/50
Ronald has 6 red pencils, 4 green pencils, and 5 blue pencils. If he picks out one pencil without looking, what is the probability that he picks a green pencil?
What is 4/15
What is the probability you roll a 40 on two standard dice?
What is Impossible