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Unformatted text preview: robability that it will take 4 more trials until we finally get a six for the first
time, given that we have already thrown it for 2 times and get two nonsix digits?
( C ) A. · ; B. · ; C. · ; D. · . 5. [4’] In an experiment, one of the three events
,
and
occurs. Also
0.4,
0.1, and
0.5. Random variable
follows exponential distribution given
(
1,2,3 ) happens. Besides, VAR 
3.24 , VAR 
5.76 , and
VAR 
0.36. What is
?
( B ) A.
B.
C.
D. 2.052; 1.26; 2.1; 1.10. 2 SECTION II: Problems [80 Marks] 1. [20 Marks]
0.7, (a) If (i)
(ii)
(iii)
(iv)
(b) [4’] If 0.6, find the following probability.
0.9.
[4’] Co...
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This document was uploaded on 03/19/2014.
 Fall '14

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