Mathematics, 05.10.2021 19:50 giraffesaur44
El tiempo de conexión a Internet de los alumnos de cierta universidad sigue una distribución normal con desviación típica de 15 minutos. Para estimar la media del tiempo de conexión, se quiere calcular un intervalo de confianza que tenga una amplitud menor o igual a 6 minutos, con un nivel de confianza del 95 %. Determina cuál es el tamaño mínimo de la muestra que es necesario observar. *
Answers: 3
Mathematics, 21.06.2019 20:30
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 2
Mathematics, 22.06.2019 00:00
David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?
Answers: 1
Mathematics, 22.06.2019 01:30
Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?
Answers: 1
Mathematics, 22.06.2019 02:20
Of the 27 players trying out for the school basketball team, 8 are more than 6 feet tall and 7 have good aim. what is the probability that the coach would randomly pick a player over 6 feet tall or a player with a good aim? assume that no players over 6 feet tall have good aim. a. b. c. d.
Answers: 1
El tiempo de conexión a Internet de los alumnos de cierta universidad sigue una distribución normal...
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