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This table is confusing and I don't know how I should be looking at it.
I've be doing 264/629 * 47/629 and other variations but it doesn't seem to work
is there any answer choices??
0.054 0.375 0.264 0.507
oh my bad i didn't see tha screen shot
it's alright lol
i see a pattern in ther tho
264+47-311 and 63+11=74 and 25+4=29
oh ok..so u take tha negative total and tha A total and divide them??
what's going on? lol
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
oh i think i get it tho
i can try to explain it if u need me to
i kno but she did give me a big hint
aaaah okay so can you explain it please?
yea jus give me like 5 or 6 minutes
how many people have a blood type that is A-positive?
and how many people have Rh-negative blood?
yea i tried 111/264 and i thought that wood be tha answer
I don't exactly know what Rh means but 111?
neither do I, but luckily we don't need to know the biology behind the problem
so there are 264+111 = 375 people who have either A-positive or Rh-negative blood types
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
Aaaaah okay thank you!! Makes much more sense now
I'm glad it's making more sense
Helped me understand my other problem as well! Thank you!!
I think it's Rolling a 4 or rolling an odd number??? But I don't know it's confusing
wat does mutually exclusive mean??
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
so it's not c because 5 is a prime number
Yeah I'm pretty sure it's D
yep 4 is even, so it's impossible to roll an even AND odd number at the same time