Pulsified333
  • Pulsified333
Assume that n = 13, and p = 3/9. Find the probability of at least 3 successes and at least 3 failures.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Pulsified333
  • Pulsified333
@Musicdude
anonymous
  • anonymous
ok
Pulsified333
  • Pulsified333
I've tried two different methods but neither worked

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More answers

anonymous
  • anonymous
ok that is a binomial probability within a binomial probability i think. i need to think for this
anonymous
  • anonymous
hold up i might be wrong
Pulsified333
  • Pulsified333
ok
anonymous
  • anonymous
ok its binomial probability with parameters
anonymous
  • anonymous
have you seen this yet? or heard of it?
Pulsified333
  • Pulsified333
I dont think so
anonymous
  • anonymous
ok its a hard concept so let me see how i can explain it
anonymous
  • anonymous
wow im stumped... i cant explain it but do you have a ti-84 or higher?
anonymous
  • anonymous
i can show you haw to get the answer
Pulsified333
  • Pulsified333
um I don't because the professor doesn't allow calculators
anonymous
  • anonymous
O.O
anonymous
  • anonymous
omg
anonymous
  • anonymous
hes evil
Pulsified333
  • Pulsified333
imagine the test
anonymous
  • anonymous
im in stat 3 and we use computers
anonymous
  • anonymous
but we code our own calculations
anonymous
  • anonymous
ok thats tricky to do without a calculator
anonymous
  • anonymous
and i really dont have a pencil because im on my way home on the bus with my phone
anonymous
  • anonymous
nor paper
Pulsified333
  • Pulsified333
it's okay
anonymous
  • anonymous
sorry dude ask @ganeshie8 or @satellite73
Pulsified333
  • Pulsified333
I got the answer
anonymous
  • anonymous
ok cool how?
Pulsified333
  • Pulsified333
:D
anonymous
  • anonymous
i just want to see
ganeshie8
  • ganeshie8
I don't see how you can possibly do it with out using calculator http://www.wolframalpha.com/input/?i=%5Csum%5Climits_%7Bk%3D3%7D%5E%7B10%7D+%28%2813+choose+k%29*%283%2F9%29%5Ek+*+%286%2F9%29%5E%2813-k%29%29
anonymous
  • anonymous
lol same
Pulsified333
  • Pulsified333
basically do the Bernoulli trials for each one from 3-13 for both and then multiple them together to get .8611
anonymous
  • anonymous
it would be 2 separate probabilities
Pulsified333
  • Pulsified333
yeah then multiply them together
anonymous
  • anonymous
i think it would be two different answers because it is 2 different events
anonymous
  • anonymous
because both cant exist together
Pulsified333
  • Pulsified333
No because it says 3 success "and" 3 failures. Which in Finite math means multiply
anonymous
  • anonymous
but then where are the 8 trails go? if there aren't success not faliure
anonymous
  • anonymous
thats the thing
anonymous
  • anonymous
thats whats tricky because it creates a parameter
anonymous
  • anonymous
i know the answer but its really complex to get to without a calculator
anonymous
  • anonymous
is you did use the Bernoulli trials you would use 3-10 because you have to account for the "at least 3 faliures"
anonymous
  • anonymous
you there?
Pulsified333
  • Pulsified333
yeah
anonymous
  • anonymous
im guessing it would be around .86 just because i know
anonymous
  • anonymous
and i used a calculator
Pulsified333
  • Pulsified333
yeah
anonymous
  • anonymous
is that around what you got??
Pulsified333
  • Pulsified333
yeah i got .8611
anonymous
  • anonymous
yeah thats it
anonymous
  • anonymous
did you use a calculator??
anonymous
  • anonymous
or long math??
Pulsified333
  • Pulsified333
yeah calculator
anonymous
  • anonymous
ok cool
Pulsified333
  • Pulsified333
on the test he said to leave it as the setup to find the answer as the answer
anonymous
  • anonymous
ok thats cool
anonymous
  • anonymous
so do you get it??
Pulsified333
  • Pulsified333
yeah
anonymous
  • anonymous
alright dude goodnight then
Pulsified333
  • Pulsified333
night

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