the outcome of one event has no effect on the outcome of a second event
What is independent events?
100
rolling a sum of 12 with two number cubes
What is unlikely?
100
Of Sami's first 15 grades, 10 have been above 82. What is the probability that her next grade will be above 82
What is 2/3?
100
There are 9 girls and 12 boys on the student council. What is the probability that a girl will be chosen as president?
Write your answer as a ratio, decimal, and percent.
What is 3/7, .43, and 43%?
100
Michelle tosses a quarter and a penny and gets heads on both coins. Tell whether it is independent or dependent and explain your answer
What is independent because the outcome of tossing one coin does not affect the outcome of tossing the other coin.
200
this is a result of an experiments
What is outcome?
200
rolling a sum of 24 with two number cubes
What is impossible?
200
Of Sami's first 15 grades, 10 have been above 82. What is the probability that her next grade will not be above 82
What is 1/3
200
Anita rolls a number cube. What is the probability that she will roll a number less than 4? Write your answer as a ratio, decimal and percent.
What is 1/2, 0.5, 50%?
200
Kevin takes a book at random from a shelf, puts it aside and then takes a second book. Both books were written before 1950.
What is dependent, because removing the first book changes the number of possible outcomes when the second book is chosen?
300
an activity involving chance, such as rolling a dice
What is experiment?
300
A spinner is divided equally into 8 sectors numbered 1-8. The likelihood of of landing on a 0
What is impossible?
300
Of 50 people surveyed, 21 said they liked mysteries better than comedies. What is the probability that the next person surveyed will prefer mysteries?
What is P (mysteries) = 21/50
300
Jefferson chooses a marble from a bag containing only 6 blue, 9 white, 3 orange and 11 green marbles. What is the probability that he will select a green marble? Write as a ratio, decimal, and percent.
What is 11/29, .38,and 38%?
300
Each letter of of the word "probability" is written on a card and put in a bag what is the probability of picking a vowel on the first try and again on the second try if the first card is replaced.
What is 16/121?
400
each repetition or observation of an experiment is called this
What is trial?
400
A spinner is divided equally into 8 sectors numbered 1-8. The likelihood of of landing on a 5
What is unlikely?
400
Students have checked out 55 books from the library. Of these 32 books are fiction.
What is the experimental probability that next book checked out will be fiction?
What is 33/55?
400
There are 13 boys and 10 girls on the track team. The name of each of the team members is written on an index card. A card is drawn at random to choose a student to run a sprint and the card is replaced in the stack.
Find the theoretical probability of drawing a boy's name.
What is 13/23?
400
based on past games, a golfer has a 4% chance of making a hole in one on each hole in miniature gold. What is the probability that the golfer will make a hole-in-one on each of next 2 holes?
What is .16%
500
this is one way of estimating the probability of an event.
What is experimental probability?
500
A spinner is divided equally into 8 sectors numbered 1-8. The likelihood of of landing on an even number
What is as likely as not?
500
Students have checked out 55 books from the library. Of these 32 books are fiction.
What is the experimental probability that next book checked out will not be fiction?
What is 23/55?
500
There are 13 boys and 10 girls on the track team. The name of each of the team members is written on an index card. A card is drawn at random to choose a student to run a sprint and the card is replaced in the stack.
Find the theoretical probability of drawing a girl's name.
What is 10/23?
500
There are 4 red marbles, 3 green marbles, 6 blue marbles, and 2 black marbles in a bag. What is the probability that Angie will pick a green marble and then a black marble after replacing the first marble?