.


:




:

































 

 

 

 


)

2

> restart:

0,7, - 0,3. , 29 .

P1 - , , 10

P2 - , , 10

P3 - , , 10

P=P1*P2*P3+(-P1)*P2*P3+1*(-P2)*P3+P1*P2*(-P3)

 

> P:=0.7*0.7*0.7+0.3*0.7*0.7+0.7*0.3*0.7+0.7*0.7*0.3;

 

2. p=0.2. , 0,9 ?

> P1:=1-0.9:

> P2:=1-0.2:

> p:=ln(P1)/ln(P2);

 

3. . :

) ;

> P_a:=1-(5/6)^10:

> evalf(P_a);

) .

> P_b:=binomial(10,1)* 0.5^1 * 0.5^9:

> evalf(P_b);

 

4. 1%. , 200 :

) ;

> P_a:=binomial(200,4)* 0.01^4 * 0.99^196;

) .

> P_b:=binomial(200,10)* 0.01^10 * 0.99^190;

 

5. Ur r=0,1,2...30 N=50.

 

> N:=50:

> for r from 0 to 30 do

U(r):=evalf(binomial(2*N-r,N)*(1/2^(2*N-r)))

End do;

 

500 500 . , , .

> str:=1:

> P_1:=(str^0*exp(-1))/0!+(str^1*exp(-1))/1!+(str^2*exp(-1))/2!:

> P:=1-P_1:

> evalf(P);

 

7. 10000 . 0,00001 . :

) ;

> P:=binomial(10000,2)*(0.00001^2)*(0.99999^9998);

) .

> P_q:=10000*0.00001;

> P_qq:=((P_q^0)*exp(-P_q))/0!+((P_q^1)*exp(-P_q))/1!;

> P:=1-P_qq;

 

8. 3000 . , , 0,001. , k=0,1,2,...,10 .

> p:=3000*0.001;

> for k from 0 to 10 do

> u(k):=evalf(((p^k)*exp(-p))/k!)

> end do;

 

9. :

) n=10,p=0.1,k=0,1,2...10;

> n:=10:

> p:=0.1:

> plot([seq([k,stats[statevalf,pf,binomiald[n,p]](k)],k=0..10)]);

) l=0.5 l=1,k=0,1,2,...10;

 

> l:=0.5:

> k:=0..10:

> plot([seq([k,stats[statevalf,pf,poisson[l]](k)],k=0..10)]);

> l:=1:

> k:=0..10:

> plot([seq([k,stats[statevalf,pf,poisson[l]](k)],k=0..10)]);

) n1=n2=10,r=5,k=0,1,2,...10;

> N1:=10:

> N2:=10:

> r:=5:

> k:=0..10:

> plot([seq([k,stats[statevalf,pf,hypergeometric[N1, N2, r]](k)],k=0..10)]);

) r=5,p=0.5,k=0,1,2,...10.

 

> r:=5:

> p:=0.5:

> k:=0..10:

> plot([seq([k,stats[statevalf,pf,negativebinomial[r,p]](k)],k=0..10)]);

> with(stats):

Warning, these names have been redefined: anova, describe, fit, importdata, random, statevalf, statplots, transform

 

 

10. ( ) :

 

) a=1, b=5; a=-3,b=-1;

Warning, these names have been redefined: anova, describe, fit, importdata, random, statevalf, statplots, transform

 

> plot(statevalf[pdf,discreteuniform[1,5]],colour=green);

Plotting error, empty plot

>

>

) :m=0, q=1; m=0,q=3; m=0,q=10; -4<=x<=4;m=2,q=1;m=2,q=3;m=2,q=10; -2<=x<=6

) : a=0.5,a=1,a=2,0<=x<=5;

) :t=0.5,t=1,t=2,-5<=x<=5;

>

) - : m=1,m=2,m=3,-5<=x<=5;

>

) : k=1,k=2,k=3,-5<=x<=5.

>

 

11. 30 , :a) ,) ,) ,) , ) - , ) , ) . .

A)

> stats[random,uniform](30);

)

> stats[random,normald](30);

)

> stats[random,exponential[3,9]](30);

)

> stats[random,cauchy[3,9]](30);

)

> stats[random,chisquare[3]](30);

)

> stats[random,studentst[3]](30);

)

> stats[random,poisson[3]](30);

 



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