kylafunchica kylafunchica
  • 03-12-2019
  • Mathematics
contestada

please help me!!!!!!!!!!!!!!!!

please help me class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 04-12-2019

Answer:

  0.91

Step-by-step explanation:

The total of all numbers in the diagram is 35 +5 +10 +5 = 55.

The total of the numbers inside one or both circles is 35 +5 +10 = 50.

The probability of choosing a random student from inside one or both circles (plays some instrument) is 50 out of 55, or ...

  50/55 ≈ 0.9090909... ≈ 0.91

P(A∪B) ≈ 0.91

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