Solucion De Problemas De Libro Estadistica Y Muestre Ciro Bencardinez Capitulo 7
Páginas: 11 (2567 palabras)
Publicado: 10 de octubre de 2012
Capítulo
7
Distribuciones muestrales
EJERCICIOS RESUELTOS
DISTRIBUCIONES DE MEDIAS MUESTRALES
1. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
2. Solución
[pic]
[pic]
[pic]
[pic]
[pic]
3. Solución:
[pic]
[pic]
[pic]
[pic][pic]
4. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
5. Solución:
[pic]
[pic] [pic] [pic] [pic] [pic]
6. Solución:
[pic] [pic] [pic]
7. Solución:
[pic]
[pic]
[pic]
[pic][pic]
8. Solución:
[pic]
[pic]
(Ver propiedades de la sumatoria)
[pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic] [pic]
OJO HACER CORRECCION EN LA GRÁFICA EN VEZ DE 251 ESCRIBIR 250,5
9. Solución:
[pic]
[pic]
[pic]
(Muy pequeña la probabilidad, ya que tiende a cero )[pic]
10. Solución:
[pic]
[pic]
[pic]
[pic] [pic]
11. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
12. Solución:
[pic] [pic] [pic]
Si [pic] Se suspende el proceso
Si [pic] Se deja tal y como está
a) Siendo μ = 6 ¿Cuál es la probabilidad de detener el proceso?
[pic]
[pic]
[pic]; [pic]
[pic][pic] [pic]
b) Siendo [pic] ¿Cuál es la probabilidad de detener el proceso?
[pic]
[pic]
[pic]; [pic]
[pic]
[pic] [pic]
c) Siendo [pic] ¿Cuál es la probabilidad de continuar el proceso?
[pic]
[pic]
[pic]; [pic]
[pic] [pic]
d) Siendo [pic] ¿Cuál es la probabilidad de continuar el proceso?
[pic]
[pic][pic]; [pic]
[pic] [pic]
13. Solución:
[pic]
[pic]
[pic]
[pic]; [pic]
[pic] [pic]
14. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
15. Solución:
[pic]
[pic]
[pic] [pic]
[pic] [pic]
16. Solución:
[pic]
[pic]
[pic]
[pic]; [pic]
[pic] [pic]
17. Solución:[pic]
[pic]
[pic]
[pic] [pic]
[pic] Aproximadamente un restaurante [pic]
18. Solución:
[pic]
[pic]
[pic] [pic]
19. Solución:
[pic]
[pic]
[pic]
[pic] [pic]
20. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
21. Solución:
[pic]
[pic]
[pic]
[pic] [pic]
22. Solución:
[pic] [pic] ó más seacepta [pic] se rechaza
a) [pic]
[pic]
[pic]
[pic] [pic]
b) [pic]
[pic]
[pic]
[pic]
[pic]
23. Solución:
[pic]
[pic]
[pic]
[pic] [pic]
24. Solución:
[pic]
[pic]
[pic]
[pic]
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[pic]
25. Solución:
[pic]
[pic]
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[pic]
26.Solución:
[pic]
[pic]
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[pic]
27. Solución:
[pic]
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[pic]
28. Solución:
[pic]
[pic]
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[pic]
29. Solución:
[pic]
[pic]
[pic]
[pic]
30. Solución:
[pic]
[pic]
[pic][pic]
31. Solución:
[pic]
a) [pic]
[pic]
[pic] [pic]
b) [pic]
[pic]
[pic]
[pic] [pic]
32. Solución:
[pic]
[pic]
[pic]
[pic]
33. Solución:
[pic]
[pic]
[pic]
[pic]
34. Solución:
[pic]
[pic]
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[pic]
35. Solución:
[pic]
[pic]...
7
Distribuciones muestrales
EJERCICIOS RESUELTOS
DISTRIBUCIONES DE MEDIAS MUESTRALES
1. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
2. Solución
[pic]
[pic]
[pic]
[pic]
[pic]
3. Solución:
[pic]
[pic]
[pic]
[pic][pic]
4. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
5. Solución:
[pic]
[pic] [pic] [pic] [pic] [pic]
6. Solución:
[pic] [pic] [pic]
7. Solución:
[pic]
[pic]
[pic]
[pic][pic]
8. Solución:
[pic]
[pic]
(Ver propiedades de la sumatoria)
[pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic]
[pic] [pic]
OJO HACER CORRECCION EN LA GRÁFICA EN VEZ DE 251 ESCRIBIR 250,5
9. Solución:
[pic]
[pic]
[pic]
(Muy pequeña la probabilidad, ya que tiende a cero )[pic]
10. Solución:
[pic]
[pic]
[pic]
[pic] [pic]
11. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
12. Solución:
[pic] [pic] [pic]
Si [pic] Se suspende el proceso
Si [pic] Se deja tal y como está
a) Siendo μ = 6 ¿Cuál es la probabilidad de detener el proceso?
[pic]
[pic]
[pic]; [pic]
[pic][pic] [pic]
b) Siendo [pic] ¿Cuál es la probabilidad de detener el proceso?
[pic]
[pic]
[pic]; [pic]
[pic]
[pic] [pic]
c) Siendo [pic] ¿Cuál es la probabilidad de continuar el proceso?
[pic]
[pic]
[pic]; [pic]
[pic] [pic]
d) Siendo [pic] ¿Cuál es la probabilidad de continuar el proceso?
[pic]
[pic][pic]; [pic]
[pic] [pic]
13. Solución:
[pic]
[pic]
[pic]
[pic]; [pic]
[pic] [pic]
14. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
15. Solución:
[pic]
[pic]
[pic] [pic]
[pic] [pic]
16. Solución:
[pic]
[pic]
[pic]
[pic]; [pic]
[pic] [pic]
17. Solución:[pic]
[pic]
[pic]
[pic] [pic]
[pic] Aproximadamente un restaurante [pic]
18. Solución:
[pic]
[pic]
[pic] [pic]
19. Solución:
[pic]
[pic]
[pic]
[pic] [pic]
20. Solución:
[pic]
[pic]
[pic]
[pic]
[pic]
21. Solución:
[pic]
[pic]
[pic]
[pic] [pic]
22. Solución:
[pic] [pic] ó más seacepta [pic] se rechaza
a) [pic]
[pic]
[pic]
[pic] [pic]
b) [pic]
[pic]
[pic]
[pic]
[pic]
23. Solución:
[pic]
[pic]
[pic]
[pic] [pic]
24. Solución:
[pic]
[pic]
[pic]
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[pic]
25. Solución:
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26.Solución:
[pic]
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[pic]
27. Solución:
[pic]
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[pic]
28. Solución:
[pic]
[pic]
[pic]
[pic]
29. Solución:
[pic]
[pic]
[pic]
[pic]
30. Solución:
[pic]
[pic]
[pic][pic]
31. Solución:
[pic]
a) [pic]
[pic]
[pic] [pic]
b) [pic]
[pic]
[pic]
[pic] [pic]
32. Solución:
[pic]
[pic]
[pic]
[pic]
33. Solución:
[pic]
[pic]
[pic]
[pic]
34. Solución:
[pic]
[pic]
[pic]
[pic]
35. Solución:
[pic]
[pic]...
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