Independent events...help required.
Which of the following is true if the given tree diagram represents independent events?
A. The probability of buying a hardcover is less than buying a paperback.
B. The probability of buying fiction versus nonfiction is not the same regardless of whether or not the person buys a hardcover or paperback.
C. The probability of buying fiction versus nonfiction is the same regardless of whether or not the person buys a hardcover or paperback.
D. The probability of buying nonfiction is larger than buying fiction.
I'm thinking options B and D are more likely to be the correct answer, but I really cannot tell.
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I'm thinking that options B and D are more likely to be the answer, but I really cannot tell.
I have provided the diagram as the attachment.
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just as u told
Could explain why?
it can also be A...
no i shall tell u the reasons...
according to ur diagram...buying hardcover has a prob of .35 but buying a paperback has a prob of .65...here
therefore prob for buying paperback is more than prob of buying hardcover..
this directly means the first option...
did u get it?
but aren't the two independent of each other?
let them be....but the probabilities are given to us....basically...forget this independency and all that stuff....basically prob is the chance for anything to happe...if it is high it simply means that there is higher chance for that event to take place....
that's simple as that
the answer for ur question is that...theoretically A and D are both equally worth being right...