En una bolsa se colocan 8 bolas rojas, 3 blancas y cuatro negras. Se elige una bola al azar y luego sin reposición, se elige otra. ¿calcular la probabilidad de que la primera sea roja y la segunda negra?

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this is not possible to solve with the info given.   you need at least an one angle somewhere.

the correct answer is d

hope this

nothjing

step-by-step explanation:

answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

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