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Mathematics 10 Online
OpenStudy (anonymous):

Need help very confused

OpenStudy (anonymous):

At a game booth, a student gets a box of candy as the prize for winning a game. The boxes come in four colors: white, red, green, and blue. There are 6 boxes of each color. All the boxes are equally likely to be given away as prizes. Which expression shows the probability of the first winner receiving a white box and the second winner also receiving a box of the same color? 6 over 24 multiplied by 6 over 23 6 over 24 multiplied by 5 over 23 6 over 24 plus 5 over 23 6 over 24 plus 6 over 23

OpenStudy (anonymous):

@amistre64

OpenStudy (pinklion23):

i think i can help you

OpenStudy (pinklion23):

B i think im 100% sure :)

OpenStudy (pinklion23):

i will show you

OpenStudy (pinklion23):

i have 23 so it 5 over 23 so it is 6 over 24 + 5 over 23 or 6 over 24 * 5 over 23?

OpenStudy (pinklion23):

@Marc1313 you there?

OpenStudy (anonymous):

6 over 24 * 5 over 23

OpenStudy (pinklion23):

uh :( just look at my other posts pls :D

OpenStudy (arthur_ser):

It's B

OpenStudy (pinklion23):

yep :)

OpenStudy (anonymous):

how is it b

OpenStudy (pinklion23):

i have 23 so it 5 over 23 so it is 6 over 24 + 5 over 23 or 6 over 24 * 5 over 23?

OpenStudy (pinklion23):

trust me :)

OpenStudy (anonymous):

Lara tossed a fair coin 3 times. What is the probability of getting heads in the first two trials? 1 over 8 2 over 8 3 over 8 4 over 8

OpenStudy (anonymous):

i need help with this one

OpenStudy (pinklion23):

ok let me look at it for a sec :)

OpenStudy (arthur_ser):

\[P(A)= \frac{ 6 }{ 24} \times \frac{ 6 - 1}{ 24 -1}\]

OpenStudy (pinklion23):

1/4 is correct for the second question :)

OpenStudy (anonymous):

how explain to me

OpenStudy (anonymous):

and its not 1/4

OpenStudy (anonymous):

1/8

OpenStudy (pinklion23):

make sets like this :) oh and no 2/8=1/4 :)

OpenStudy (pinklion23):

so b

OpenStudy (pinklion23):

1) HHH 2) HHT 3) HTH 4) THH 5) HTT 6) THT 7) TTH 8) TTT

OpenStudy (pinklion23):

now, you have to choose that trials or events in which first two trials you get head :- 1) HHH 2) HHT only 2

OpenStudy (pinklion23):

so # or trials over # of total outcomes :)

OpenStudy (pinklion23):

you get it :)

OpenStudy (pinklion23):

OH i have to go i have to go to the store with my mom and then take my dog to the groomers sorry brb hope you get it :) and if you get a chance maybe a medal :3 you dont have to though :)

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