En la siguiente situación, identifica la población, muestra, variable y tipo de variable: Una fabrica construye 20 000 juegos didácticos. El jefe de calidad hizo seguimiento a 245 de ellos para verificar que estuvieran aptos para la venta.

We have the following information: "A factory builds 20,000 educational games. The quality manager monitored 245 of them to verify that they were suitable for sale"

They ask us to identify:

-Population: The population is the total number of objects that exist, that is, 20,000.

-Sample: It is a small group that is taken from the population to monitor it, in this case it is 245.

-Variable: The variable in this case is the quality of the educational games.

-Type of variable: It is a qualitative variable, because the quality is measured by means of the qualities of the object.

rectangular prism would best match the box of cards

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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