Sry there is a few more...

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- horsegal244

Sry there is a few more...

- katieb

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- horsegal244

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- horsegal244

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- Jadedry

There are 15 marbles at first, 5 are red.
after you pick one red marble, there are 4 reds left in a bag of 14 marbles
The two events are dependent so you have to multiply them.
= \[\frac{ 5 }{ 15 } * \frac{ 4 }{ 14 }\]

- horsegal244

ty
Here are a few more

- horsegal244

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- Jadedry

@horsegal244
okay

- horsegal244

You dont need to keep tagging me but ty

- horsegal244

I think its the second one

- Jadedry

okay, sorry. ;n;
so you have a 22/50 chance of getting tails and A 20/50 chance of getting a blue marble,
the chance of both happening at the same time is
22/50 * 20/50 = 440/2500

- Jadedry

so yeah, the second one. c:

- horsegal244

Yay i was right Lol!

- Jadedry

anything else? ;u;

- horsegal244

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- Jadedry

if she replaces the chip then the probability will remain the same, so it is 5/25 * 5/25 = 25/625
because the events are still dependent.

- horsegal244

Is this correct?

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- Jadedry

yes that is correct. c:

- horsegal244

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- Jadedry

there are 36 possibilities.
only 2 of those possibilities will give you a total of 11
so you have 2/36 =

- Jadedry

ignore the equal sign at the end, the answer is 2/36

- horsegal244

18?

- Jadedry

1/18 if you want ti simplify

- horsegal244

Ok

- Jadedry

unfortunately I need to be off now. :c
good luck with your studies. <3

- horsegal244

I have 2 more questions...

- horsegal244

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- Jadedry

I really can't i'm sorry, it's way late over here. They're both probability right?

- Jadedry

just use the methods I showed you in my solutions, it's the same question with different values.

- horsegal244

Huh ok...

- Jadedry

Best of luck! c;

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