Simple Random Probability

What is the probability of flipping this quarter and getting tails?

• 1

• 2

• 1/2

• 2/2

What is the probability of rolling this number cube and getting a 6?

• 6/6

• 1

• 0

• 1/6

What is the probability of taking a marble out of the bag without looking and getting a red?

• 3

• 3/10

• 1/3

• 10

What is the probability of choosing a popsicle at random and getting either a blue or a green?

• 2

• 1/3

• 2/6

• 6

If you cut a shuffled deck, what is the probability you will get an 8 of diamonds?

• out of 4

• out of 13

• out of 52

• out of 52

P(red) =

• 2

• 2/12

• 1/6

• 12

P(even)=

• 2,4,6

• 3

• 3/6

• 1/2

P (not green) =

• 10/12

• 5/6

• 10

• 12

If the probability of drawing a short straw is 3/10 and there are 100 straws in all, how many short straws must there be?

• 3

• 10

• 13

• 30

The probability of a car having a defect when coming off the assembly line is 3/1000 . Last year 12 cars had defects. How many cars were manufactured in total last year?

• 1000

• 2000

• 3000

• 4000