Ngày tải lên :
03/10/2012, 11:12
... k
´
ˆet qu
’
a sau:
14 18 22 30 36 28 42 79 36 52 15 47
95 16 27 11 1 37 63 12 7 23 31 70 27 11
30 14 7 72 37 25 7 33 29 35 41 48 15
29 73 26 15 26 31 57 40 18 85 28 32
22 36 60 41 35 26 20 58 33 23 ... -3 -6 18
[7, 25 − 7, 75) 5 7,5 -2 -10 20
[7, 75 − 8, 25) 11 8 -1 -11 11
[8, 25 − 8, 75) 18 8,5 0 0 0
[8, 75 − 9, 25) 9 9 1 9 9
[9, 25 − 9, 75) 3 9,5 2 6 12
[9, 75 − 10 , 2) 1 10 3 3 9
50 -13 95
Go
.
i ... n = 10 0, f =
20
10 0
= 0.2
X´et U =
(f−p)
√
10 0
√
pq
∈ N(0, 1) .
Ta c´o
1 − α = 0, 99 =⇒ α = 0, 01 =⇒ 1 −
α
2
= 1 − 0, 005 = 0, 995
ε = u
0,995
√
0, 2.0, 8
√
10 0
= 2, 58.
0, 4
10
= 0, 1
f
1
= f...