intro to probabilities

probability of picking green marble

• 10/ 20

• 3/ 20

• 7/ 20

• 19/ 20

probability of picking blue marble

• 5/ 20

• 3/ 20

• 10/ 20

• 15/ 20

probability of landing on purple

• 3/ 8

• 7/ 8

• 2/ 8

• 4/ 8

probability of a day above 80?

• 2/ 7

• 6/ 7

• 4/ 7

• 3/ 7

probability of landing on A?

• 3/ 8

• 2/ 8

• 6/ 8

• 9/ 8

probability of landing on B?

• 1/ 8

• 3/ 8

• 2/ 8

• 5/ 8

probability of landing on C?

• 1/ 8

• 3/ 8

• 2/ 8

• 6/ 8

probability of picking green OR blue?

• 5/ 20

• 8/ 20

• 15/ 20

• 13/ 20

probability of landing on even number?

• 4/ 8

• 1/ 8

• 3/ 8

• 7/ 8

probability of A or B?

• 2/ 8

• 5/ 8

• 6/ 8

• 1/ 8