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IB MAI HL Statistics & Probability Topic 4.3 Probability (id: 5cf8851c4)

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admin 发表于 2024-3-9 23:21:43 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB MAI HL Statistics & Probability Topic 4.3 Probability,类别为 IB数学

[填空题]
An information technoll+x4ufp xe e7y 8 k26gaw.pzs1ogy (IT) company offers paid trf1g6u*du 0dpoc4 q (:blxt 7p d/0wyk()nfhrgavelling vacation to its 160 employees every year. The employees can choose between travelling domestically or internationally. It is observed that 50 % of the employees who choose to travel domestically o gpp0/f:u4 dl ry7ht*1 dndo)cuqk0 (w6xgf (bne year, choose internationally the next year. Conversely, 30 % of those who choose to travel internationally one year change to travel domestically the following year. For this year, 80 employees chose travelling domestically and 80 employees chose travelling internationally.
1. Write down the initial state $\boldsymbol{s}_{0}$ and the transition matrix $\boldsymbol{T}$ .$\boldsymbol{T}=\left[\begin{array}{ll}
a & b \\
c & d
\end{array}\right]$ a =    b =    c =    d =    $\boldsymbol{s}_{0}=\left[\begin{array}{l}
a \\
b
\end{array}\right]$ a =    b =  
2. Determine $\boldsymbol{T} \boldsymbol{s}_{0}$ and interpret the result. $Ts_0$$\boldsymbol{s}_{0}=\left[\begin{array}{l}
a \\
b
\end{array}\right]$ a =    b =  
3. Find the eigenvalues and corresponding eigenvectors of $X_1$=$\boldsymbol{T}$ .$\boldsymbol{s}_{0}=\left[\begin{array}{l}
a \\
b
\end{array}\right]$ a =    b =    $X_2$=$\boldsymbol{T}$ .$\boldsymbol{s}_{0}=\left[\begin{array}{l}
a \\
b
\end{array}\right]$ a =    b =  
4. 1. Write an expression for the number of employees who choose travelling internationally after n years, n $\in \mathrm{N}$ .
2. Hence find the long term steady state number of employees to choose to travel internationally.  




参考答案:
空格1: 0.5空格2: 0.3空格3: 0.5空格4: 0.7空格5: 80空格6: 80空格7: 64空格8: 96空格9: -1空格10: 1空格11: 3空格12: 5空格13: 100


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