Question: What should be the correct process and answers without using excel? 5) El numero de ventas diarias de un quisco de periodicos se distribuye con

What should be the correct process and answers without using excel?

5) El numero de ventas diarias de un quisco de periodicos se distribuye con media 40 y varianza 4. Determinar: a. Probabilidad de que en un dia se vendan entre 13 y 31 periodicos. b. Determinar el numero de periodicos que se vendes en el 90% de las ocasiones. c. Si en una ciudad hay 10 quioscos independentes del mismo tipo y caracteristicas que el anterior. Hallar la probabilidad de que mas de dos quioscos vendan entre 13 y 31 periodicos

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