Q11 2001 hsc (2 Viewers)

[har]

I know this is 2U but 2U do this too I'm guessing.
http://www.boardofstudies.nsw.edu.au/hsc_exams/hsc2001exams/pdf_doc/gen_mathemat_01.pdf
Q11, tell me what the answer would be please. Cause I'm getting it wrong..

 

[soloooooo]

A

 

[Timske]

C

 

[zeebobDD]

C, because the first time it's spun doesn't matter what colour it points to, the second time it has a 1/4 prob of same colour

P(E) = 1 * 1/4 = 1/4

 

[mike12345678]

1/4

the propability of getting the same colour twice is 1/4 x 1/4 = 1/16
then since there are four different possibilities of getting the same colour its 4 x 1/16

= 1/4
= C