The table below shows the number of marbles of different colors in a bag:

Color of Marbles Number of Marbles
Pink 4
Blue 8
Green 1
Bryn draws a marble from the bag randomly without looking. He then draws another marble from the bag without replacing the first one. Which expression shows the probability of drawing blue marbles in both the trials?
8 over 13 multiplied by 7 over 13
8 over 13 added to 7 over 12
8 over 13 multiplied by 7 over 12
8 over 13 added to 7 over 13

Question

The table below shows the number of marbles of different colors in a bag:

Color of Marbles	Number of Marbles
Pink                           4
Blue                            8
Green                         1
Bryn draws a marble from the bag randomly without looking. He then draws another marble from the bag without replacing the first one. Which expression shows the probability of drawing blue marbles in both the trials?
 8 over 13 multiplied by 7 over 13
 8 over 13 added to 7 over 12
 8 over 13 multiplied by 7 over 12
 8 over 13 added to 7 over 13

crispyrat · Answer

ok so first. for the second one if you remove one without relacing how many marbles u have left?

mykenzie · Answer

12

crispyrat · Answer

so which ones can u elimanate from being the answer?

mykenzie · Answer

d and a

crispyrat · Answer

ok now how do you calculate probabilty?

jakfishman · Answer

https://questioncove.com/updates/55b64a71e4b04559507b665b alreadyed answered so this may help