On a survey it was found that out of 1500 people, 800 people said they go to bed early at night, 600 people said that they go to bed late at night, and 300 people said that they sometimes go to bed early and sometimes go to bed late.


What is the probablitity that a rmadomly selected member would go to be early or late at night?

 Dec 10, 2019

I think it would be 3/5 not sure

 Dec 10, 2019

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