horsegal244
  • horsegal244
Sry there is a few more...
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
horsegal244
  • horsegal244
horsegal244
  • horsegal244
@Jadedry
horsegal244
  • horsegal244
@Jadedry

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More answers

Jadedry
  • 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
  • horsegal244
ty Here are a few more
horsegal244
  • horsegal244
Jadedry
  • Jadedry
@horsegal244 okay
horsegal244
  • horsegal244
You dont need to keep tagging me but ty
horsegal244
  • horsegal244
I think its the second one
Jadedry
  • 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
  • Jadedry
so yeah, the second one. c:
horsegal244
  • horsegal244
Yay i was right Lol!
Jadedry
  • Jadedry
anything else? ;u;
horsegal244
  • horsegal244
Jadedry
  • 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
  • horsegal244
Is this correct?
Jadedry
  • Jadedry
yes that is correct. c:
horsegal244
  • horsegal244
Jadedry
  • Jadedry
there are 36 possibilities. only 2 of those possibilities will give you a total of 11 so you have 2/36 =
Jadedry
  • Jadedry
ignore the equal sign at the end, the answer is 2/36
horsegal244
  • horsegal244
18?
Jadedry
  • Jadedry
1/18 if you want ti simplify
horsegal244
  • horsegal244
Ok
Jadedry
  • Jadedry
unfortunately I need to be off now. :c good luck with your studies. <3
horsegal244
  • horsegal244
I have 2 more questions...
horsegal244
  • horsegal244
Jadedry
  • Jadedry
I really can't i'm sorry, it's way late over here. They're both probability right?
Jadedry
  • Jadedry
just use the methods I showed you in my solutions, it's the same question with different values.
horsegal244
  • horsegal244
Huh ok...
Jadedry
  • Jadedry
Best of luck! c;

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