Question

There are 3 red marbles, 5 green marbles, and 2 blue marbles in a bag. Which of the following are true?

The probability of randomly drawing either a red marble or a green marble is 80%.

The probability of randomly drawing a red marble and then a green marble is 1/6 .

The probability of not drawing a blue marble is 20%.
The probability of drawing a green marble is the same as the probability of drawing either a red or a blue marble.

Answer 1

A, D

Answer 2

thank you can you help with some more?

Answer 3

ok

Answer 4

A coin is flipped and a number cube is rolled. Which of the following are true?
The sample space has 12 different outcomes.
The sample space has 8 different outcomes.
Each result is equally likely.
Heads and an even number are very likely.

Answer 5

Three coins are flipped. What is the probability that there will be at least two tails?

3/8
1/2
1/8
1/9

Answer 6

Which of the following are dependent events?

rolling a number cube and then flipping a coin
spinning a spinner and then rolling a number cube
drawing a marble from a bag, not replacing it, and then drawing a second marble
choosing a number from a hat, replacing it, and then choosing another number

Answer 7

last ones sorry for so many :)

Answer 8

A number cube is rolled and a coin is flipped. Predict how many times you would get heads and a number less than 3 in 240 trials.

60
40
30
20