Question

a bag contains 2 green,9 brown, 7 yellow, and 4 blue marbles help with a few of the probabilitys?

Answer 1

p(green then blue) p(blue then blue) p(brown then not green)???? and once a marble is selected it is not replaced thank u so much

Answer 2

what did you do?

Answer 3

im confused with how to get it for more thn 1

Answer 4

P(green then blue). what is P(green)?

Answer 5

permutation or combination that means

Answer 6

permutation. Green then blue is different from blue then green

Answer 7

woulnt it be 6/22 ???

Answer 8

correct. and because you can not replace the ball that is picked out, how many are left?

Answer 9

16

Answer 10

shouldn't there be 21 balls left? you had 22 initially

Answer 11

so it would be out of 21?

Answer 12

wait, why 6/22? what's that?

Answer 13

green+blue/ all the marbles

Answer 14

we're looking for P(green), which is 2/22, am correct?

Answer 15

green, then blue yes

Answer 16

P(blue) = 4/21

Answer 17

yes?

Answer 18

yes we r finding it foe green, then blue the probability of picking them

Answer 19

so P(green then blue) = 2/22 * 4/21 <--

Answer 20

so 5.25 ah thank u

Answer 21

you did the math wrong. (2/22) * (4/21) = 0.01731601731

Answer 22

thx u sm