briana.img
  • briana.img
Help me figure this out?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
briana.img
  • briana.img
briana.img
  • briana.img
This table is confusing and I don't know how I should be looking at it.
briana.img
  • briana.img
I've be doing 264/629 * 47/629 and other variations but it doesn't seem to work

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More answers

anonymous
  • anonymous
is there any answer choices??
briana.img
  • briana.img
0.054 0.375 0.264 0.507
anonymous
  • anonymous
oh my bad i didn't see tha screen shot
briana.img
  • briana.img
it's alright lol
anonymous
  • anonymous
i see a pattern in ther tho
anonymous
  • anonymous
*there
anonymous
  • anonymous
264+47-311 and 63+11=74 and 25+4=29
briana.img
  • briana.img
@DJthereal what? LOL
anonymous
  • anonymous
lol nvm
anonymous
  • anonymous
@LynFran where did 111 come from??
anonymous
  • anonymous
oh ok..so u take tha negative total and tha A total and divide them??
briana.img
  • briana.img
what's going on? lol
anonymous
  • anonymous
@LynFran jus figured it out i think
briana.img
  • briana.img
it's not one of the answers and i actually wanted to learn how to do it because i had another problem that's similar lol
briana.img
  • briana.img
@jim_thompson5910 help?
anonymous
  • anonymous
oh i think i get it tho
anonymous
  • anonymous
i can try to explain it if u need me to
briana.img
  • briana.img
@jim_thompson5910 help?
briana.img
  • briana.img
@DJthereal yes please but i don't think she got it right because those aren't one of the options
anonymous
  • anonymous
i kno but she did give me a big hint
briana.img
  • briana.img
aaaah okay so can you explain it please?
anonymous
  • anonymous
yea jus give me like 5 or 6 minutes
jim_thompson5910
  • jim_thompson5910
how many people have a blood type that is A-positive?
briana.img
  • briana.img
264
jim_thompson5910
  • jim_thompson5910
and how many people have Rh-negative blood?
anonymous
  • anonymous
yea i tried 111/264 and i thought that wood be tha answer
briana.img
  • briana.img
I don't exactly know what Rh means but 111?
jim_thompson5910
  • jim_thompson5910
neither do I, but luckily we don't need to know the biology behind the problem
jim_thompson5910
  • jim_thompson5910
so there are 264+111 = 375 people who have either A-positive or Rh-negative blood types
jim_thompson5910
  • jim_thompson5910
this is out of 740 people total (bottom right corner) We then divide P(A-positive OR Rh-negative) = (# of people who have A-positive or Rh-negative)/(# total) P(A-positive OR Rh-negative) = (375)/(740) P(A-positive OR Rh-negative) = 0.50675675675676 P(A-positive OR Rh-negative) = 0.507
briana.img
  • briana.img
Aaaaah okay thank you!! Makes much more sense now
jim_thompson5910
  • jim_thompson5910
I'm glad it's making more sense
briana.img
  • briana.img
Helped me understand my other problem as well! Thank you!!
anonymous
  • anonymous
@jim_thompson5910 good job i was getting confused
briana.img
  • briana.img
Could you guys help me with one more problem that I can't wrap my head around?
briana.img
  • briana.img
I think it's Rolling a 4 or rolling an odd number??? But I don't know it's confusing
anonymous
  • anonymous
wat does mutually exclusive mean??
jim_thompson5910
  • jim_thompson5910
if two events are `mutually exclusive`, then that means that they CANNOT happen at the same time example: flipping a heads AND a tails on the same coin
anonymous
  • anonymous
oh ok
anonymous
  • anonymous
so it's not c because 5 is a prime number
briana.img
  • briana.img
Yeah I'm pretty sure it's D
briana.img
  • briana.img
Thanks guys!!
jim_thompson5910
  • jim_thompson5910
yep 4 is even, so it's impossible to roll an even AND odd number at the same time

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