the mean of the sixes in two tosses of an unbiased die is.
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n(s)=6×6=36
x= no of since in the toss
P(x=0)=P(nosin)=
36
25
Sample space=
⎩
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎨
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎧
11
21
31
41
51
61
12
22
32
42
52
62
13
23
33
43
53
63
14
24
34
44
54
64
15
25
35
45
55
65
16
26
36
46
56
66
⎭
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎬
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎫
P(x=1)=P(onesin)
=
36
10
P(x=2)=P(twosin)
=
36
1
Probability distribution
x
p(x)
0
36
25
1
36
10
2
36
1
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