Math, asked by skylermaybarron, 1 year ago

Statistics question, any help would be greatly appreciated! :) Thank you!
It's probably very simple but I can't figure it out for some reason haha

In a study of helicopter usage and patient​ survival, among the 46,615 patients transported by​ helicopter, 252 of them left the treatment center against medical​ advice, and the other 46,363 did not leave against medical advice. If 40 of the subjects transported by helicopter are randomly selected without​ replacement, what is the probability that none of them left the treatment center against medical​ advice?

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Answered by navjotjat
0
answer should be 40/46363=.0008627569
= 0.0009
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