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Mathematics 23 Online
OpenStudy (anonymous):

help!

OpenStudy (anonymous):

@Mehek14

OpenStudy (anonymous):

OpenStudy (anonymous):

@Astrophysics

Mehek (mehek14):

total probability = 20 to find green, add 11 + 6 first

OpenStudy (anonymous):

17 @Mehek14

OpenStudy (anonymous):

@iambatman

myininaya (myininaya):

you need the sum of the probabilities to equal 1 that is you need \[\frac{11}{20}+\frac{6}{20}+\frac{x}{20}=1 \\ \text{ and yes } 11+6=17 \\\ \frac{17+x}{20}=1\] so what does x need to be ?

OpenStudy (anonymous):

i got 3 / 20

myininaya (myininaya):

that's right

Mehek (mehek14):

that's correct

OpenStudy (anonymous):

yay!

OpenStudy (anonymous):

OpenStudy (anonymous):

@Mehek14

Mehek (mehek14):

how many colors?

OpenStudy (anonymous):

4

Mehek (mehek14):

how many black out of 4?

OpenStudy (anonymous):

1

Mehek (mehek14):

so 1/4

OpenStudy (anonymous):

yay! b

OpenStudy (anonymous):

OpenStudy (anonymous):

@Mehek14

Mehek (mehek14):

9/28 1 = 2 2 = 7 2 + 7 =9 total = 28 9/28

OpenStudy (anonymous):

ok :)

Mehek (mehek14):

24/50 = 0.48

OpenStudy (anonymous):

k!

Mehek (mehek14):

12 total B = 1 1/12

OpenStudy (anonymous):

ok !

Mehek (mehek14):

likely more than 50% chance

OpenStudy (anonymous):

ok! A jar has 15 pink gumballs, 21 blue gumballs, 19 red gumballs, and 19 yellow gumballs. Which colored gumball has the greatest probability of being picked when a child randomly draws one out of the jar? Pink Blue Red Yellow

Mehek (mehek14):

blue has the highest amount

OpenStudy (anonymous):

A box contains 100 colored chips; some are violet and some are red. Wilson chooses a chip at random, records the color, and places it back in the bag. Wilson has recorded 9 violet chips and 16 red chips. Using these results, what is the predicted number of violet chips in the box? 11 25 36 75

Mehek (mehek14):

36

OpenStudy (anonymous):

Mehek (mehek14):

equal

OpenStudy (anonymous):

Mehek (mehek14):

not sure about this one

OpenStudy (anonymous):

what do you think

Mehek (mehek14):

idk

OpenStudy (anonymous):

can you give a guess

Mehek (mehek14):

nope

OpenStudy (anonymous):

ok so then i guess ill just put 16%. i just guessed

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