Question

Help again! :]

Answer 1

out of 10 orange and 4 blue, what is the chance of picking an orange?

Answer 2

10/4 right?

Answer 3

you want the fraction (number that match) divided by total number
(number that match means the number that are orange)

Answer 4

Which would calculate to 2.5

Answer 5

or 0.4

Answer 6

total number in the bag is not 4
(as a check, a "probability of 1" is the most you can get)

Answer 7

Because the total number of oranges is 10

Answer 8

0.4 is the correct answer =}

Answer 9

there are 10 orange and 4 blue. how much is that total?

Answer 10

14

Answer 11

so what is the chance of picking an orange ?

Answer 12

10/14

Answer 13

5/7

Answer 14

yes, or 5/7
we are not done.
assuming we picked an orange one first, what is now in the bag ?

Answer 15

9 orange and 4 blue?

Answer 16

yes. and what is the chance of picking a blue one now ?

Answer 17

4/13 ?

Answer 18

yes. and the chances of picking orange, then a blue is found by multiplying the probabilities
5/7 * 4/13

they want a decimal , rounded to nearest 100th. Time for a calculator

Answer 19

0.22?

Answer 20

yes

Answer 21

Thank you so much! I really appreciate it! :]