jazz7579
jazz7579 jazz7579
  • 04-06-2021
  • Mathematics
contestada

Is this right? If not let me know and explain how if u can.


(No link <3)

Is this right If not let me know and explain how if u can No link lt3 class=

Respuesta :

tonb
tonb tonb
  • 04-06-2021

Answer:

9/35

Step-by-step explanation:

There are a total of 15 bulbs to choose from randomly. First a new bulb is chosen. Chance is 9/15 because 9 out of 15 are new.

Then there are only 14 bulbs left. Then a used bulb is chosen. Chance is 6/14 since 6 out of remaining 14 are used.

Total chance for this to happen is 9/15 * 6/14 = 54/210 = 9/35.

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