這是Herr Deng桑的教學blog,主要處理作業與班導事務,另外還有數位小品。
X=N(3,4)變異數=3,標準差=2P(1 <X <7)=P(1-3/2 <Z <7-3/2)=P(-1 <Z <2)=(68.26%+95.44%)/2=0.8185
X=N(3,4)P(1 <X <7)=?=P([1-3]/2<Z<[7-3]/2)=P(-1<Z<2)=P(Z<2)-P(Z<-1)=0.9772-0.1587=0.8185
=P((1-3)/2 < X < (7-3)/2)=P(-1 < X < 2)=P(X < 2) - P(X < -1)=0.9772 - 0.1587=0.8185
P(1<X<7)=P((1-3)/2<Z<(7-3)/2)=P(-1<Z<2)=P(Z<2)-P(Z<-1)=0.9772-0.1587=0.9185
X = N(3,4)P(1 < X < 7 ) =P(-1< Z < 2 ) =P( Z < 2 ) - P ( Z< -1 ) =0.9972 - 0.1587 = 0.8385Ans = 0.8385
ANS:P(1<x<7)=P[(1-3)/2<x<(7-3)/2] =P(-1<x<2) =P(x<2)-P(x<-1) =0.9772-0.1587 =0.8185
P(1 <X <7)=p(1-3/2<z<7-3/2)=p(-1<z<2)=p(z<2)-p(-1<z)=0.9772-0.1587=0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2) =P(-1<Z<2) =P(Z<2)-P(Z<-1) 查表 =0.9772-0.1587 = 0.8185
μ=3,σ=2Z=X-μ/σP(1P(1-3/2<Z<7-3/2)=P(-1<Z<2)=P(Z<2)-P(-1<Z)=0.9772-0.1587=0.8185
M=3σ=2p(1<x<7)=p(1-3/2<z<7-3/2)=p(-1<z<2)=p(z<2)-p(z<-1)=0.9772-0.1587=0.8185
M = 3σ = 2 p(1<x<7)= p(1-3/2<z<7-3/2)= p(-1<z<2)= p(z<2)-p(z<-1)= 0.9772-0.1587= 0.8185ANS:0.8185
=P([1-3]/2<Z<[7-3]/2)=P(-1<Z<2)=P(Z<2)-P(Z<-1)=0.9772-0.1587=0.8185
X = N(3,4)P(1 < X < 7 ) =P(-1< Z < 2 ) =P( Z < 2 ) - P ( Z< -1 ) =0.9772 - 0.1587 = 0.8185Ans = 0.8185
p((1-3)/2<x<(7-3)/2)=p(-1<x<2)=p(x<2)-p(x<-1)=0.9772-0.1587=0.8185
P(1-3/2<Z<7-3/2)=P(-1<Z<2)=P(Z<2)-P(Z<-1) =0.9772-0.1587 = 0.8185
p((1-3)/2<x<(7-3)/2) = p(-1<x<2) = p(x<2)-p(x<-1) = 0.9772-0.1587 = 0.8185
p((1-3)/2<x<(7-3)/2) =p(-1<x<2) =p(x<2)-p(x<-1) =0.9772-0.1587 =0.8185
X=N(3,4)變異數=3標準差=2P(1<x<7)=?=P(1-3/2<Z<7-3/2)=P(-1<Z<2)=P(Z<2)-P(Z<-1)=0.9772-0.1587=0.8185
p(1-3/2<z<7-3/2)=p(-1<x<2)P(x<2)-p(-1<x)=0.9972-0.1587=0.8185
P(1<X<7)=P((1-3)/2<Z<(7-3)/2)=P(-1<Z<2)=P(Z<2)-P(Z<-1)=0.9772-0.1587=0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)=P(-1<Z<2)=P(Z<2)-P(Z<-1)=0.9772-0.1587 = 0.8185
B9733176 提到... M=3σ=2p(1<x<7)=p(1-3/2<z<7-3/2)=p(-1<z<2)=p(z<2)-p(z<-1)=0.9772-0.1587=0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)=P(-1<Z<2)=P(Z<2)-P(Z<-1) 查表去=0.9772-0.1587 = 0.8185
張貼留言
58 則留言:
X=N(3,4)
變異數=3,標準差=2
P(1 <X <7)
=P(1-3/2 <Z <7-3/2)
=P(-1 <Z <2)
=(68.26%+95.44%)/2
=0.8185
X=N(3,4)
P(1 <X <7)=?
=P([1-3]/2<Z<[7-3]/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.8185
=P((1-3)/2 < X < (7-3)/2)
=P(-1 < X < 2)
=P(X < 2) - P(X < -1)
=0.9772 - 0.1587
=0.8185
P(1<X<7)
=P((1-3)/2<Z<(7-3)/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.9185
X = N(3,4)
P(1 < X < 7 ) =
P(-1< Z < 2 ) =
P( Z < 2 ) - P ( Z< -1 ) =
0.9972 - 0.1587 = 0.8385
Ans = 0.8385
ANS:
P(1<x<7)=P[(1-3)/2<x<(7-3)/2]
=P(-1<x<2)
=P(x<2)-P(x<-1)
=0.9772-0.1587
=0.8185
P(1 <X <7)
=p(1-3/2<z<7-3/2)
=p(-1<z<2)
=p(z<2)-p(-1<z)
=0.9772-0.1587
=0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
μ=3,σ=2
Z=X-μ/σ
P(1P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(-1<Z)
=0.9772-0.1587
=0.8185
X=N(3,4)
P(1 <X <7)=?
=P([1-3]/2<Z<[7-3]/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.8185
M=3
σ=2
p(1<x<7)
=p(1-3/2<z<7-3/2)
=p(-1<z<2)
=p(z<2)-p(z<-1)
=0.9772-0.1587
=0.8185
M = 3
σ = 2
p(1<x<7)
= p(1-3/2<z<7-3/2)
= p(-1<z<2)
= p(z<2)-p(z<-1)
= 0.9772-0.1587
= 0.8185
ANS:0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
=P([1-3]/2<Z<[7-3]/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.8185
X=N(3,4)
P(1 <X <7)=?
=P([1-3]/2<Z<[7-3]/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.8185
X = N(3,4)
P(1 < X < 7 ) =
P(-1< Z < 2 ) =
P( Z < 2 ) - P ( Z< -1 ) =
0.9772 - 0.1587 = 0.8185
Ans = 0.8185
M=3
σ=2
p(1<x<7)
=p(1-3/2<z<7-3/2)
=p(-1<z<2)
=p(z<2)-p(z<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
X=N(3,4)
P(1 <X <7)=?
=P([1-3]/2<Z<[7-3]/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.8185
X=N(3,4)
P(1 <X <7)=?
=P([1-3]/2<Z<[7-3]/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
= 0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
= p(-1<x<2)
= p(x<2)-p(x<-1)
= 0.9772-0.1587
= 0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
X=N(3,4)
變異數=3
標準差=2
P(1<x<7)=?
=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.8185
X=N(3,4)
變異數=3
標準差=2
P(1<x<7)=?
=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.8185
p(1-3/2<z<7-3/2)=p(-1<x<2)
P(x<2)-p(-1<x)=0.9972-0.1587=0.8185
P(1<X<7)
=P((1-3)/2<Z<(7-3)/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
=0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1)
=0.9772-0.1587
= 0.8185
p((1-3)/2<x<(7-3)/2)
=p(-1<x<2)
=p(x<2)-p(x<-1)
=0.9772-0.1587
=0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表
=0.9772-0.1587
= 0.8185
B9733176 提到...
M=3
σ=2
p(1<x<7)
=p(1-3/2<z<7-3/2)
=p(-1<z<2)
=p(z<2)-p(z<-1)
=0.9772-0.1587
=0.8185
P(1<X<7)=P(1-3/2<Z<7-3/2)
=P(-1<Z<2)
=P(Z<2)-P(Z<-1) 查表去
=0.9772-0.1587
= 0.8185
=P((1-3)/2 < X < (7-3)/2)
=P(-1 < X < 2)
=P(X < 2) - P(X < -1)
=0.9772 - 0.1587
=0.8185
X=N(3,4)
變異數=3,標準差=2
P(1 <X <7)
=P(1-3/2 <Z <7-3/2)
=P(-1 <Z <2)
=(68.26%+95.44%)/2
=0.8185
X=N(3,4)
變異數=3,標準差=2
P(1 <X <7)
=P(1-3/2 <Z <7-3/2)
=P(-1 <Z <2)
=(68.26%+95.44%)/2
=0.8185
張貼留言