Respuesta :

Auspicious

Answer:

7 / 20

Step-by-step explanation:

To find the probability, we will find the total number of guinea pigs infected.

(50 + 125) / 500 =

= 175 / 500

= 7 / 20.

The probability of the guinea pigs being affected is 175 / 500 = 7 / 20.


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