Question

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.
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I'm thinking options B and D are more likely to be the correct answer, but I really cannot tell.

Answer 1

I'm thinking that options B and D are more likely to be the answer, but I really cannot tell.
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I have provided the diagram as the attachment.

Answer 2

*edited to add the question.*

Answer 3

D is the most appropriate answer buddy...

Answer 4

just as u told

Answer 5

Thanks @chethus
Could explain why?

Answer 6

*Could you

Answer 7

it can also be A...

Answer 8

Darn

Answer 9

no i shall tell u the reasons...

Answer 10

Okay, cool

Answer 11

according to ur diagram...buying hardcover has a prob of .35 but buying a paperback has a prob of .65...here
.65>.35
therefore prob for buying paperback is more than prob of buying hardcover..
this directly means the first option...

Answer 12

did u get it?

Answer 13

but aren't the two independent of each other?

Answer 14

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....

Answer 15

that's simple as that

Answer 16

Thanks

Answer 17

the answer for ur question is that...theoretically A and D are both equally worth being right...