Question: 1) El tiempo entre llegadas en el restaurante L&J es exponencial con media de 5 minutos. El restaurante abre a las 11:00 A.M. Determine lo

1) El tiempo entre llegadas en el restaurante L&J es exponencial con media de 5 minutos. El restaurante abre a las 11:00 A.M. Determine lo siguiente:

(a) La probabilidad de tener 10 llegadas en el restaurante alrededor de las 11:12 A.M., dado que 8 clientes llegaron a las 11:05 A.M.

(The time between arrivals at L&J restaurant is exponential with an average of 5 minutes. The restaurant opens at 11:00 A.M. Determine the following:

(a) The probability of having 10 arrivals at the restaurant around 11:12 A.M., given that 8 customers arrived at 11:05 A.M.)

2) Un estudiante recibe un depsito bancario de $100 al mes desde su casa para que cubra gastos imprevistos. Los retiros de $20 cada uno ocurren al azar durante el mes y estn espaciados de acuerdo con una distribucin exponencial con un valor medio de una semana. Determine la probabilidad de que el estudiante se quede sin dinero para gastos imprevistos antes del final de la cuarta semana.

(A student receives a bank deposit of $ 100 a month from home to cover

incidental expenses. Withdrawals of $ 20 each occur randomly during the month and are spaced according to an exponential distribution with a mean value of one week. Determine the probability that the student will run out of money for unforeseen expenses before the end of the fourth week.)

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