ibimaster4321 ibimaster4321
  • 24-09-2021
  • Mathematics
contestada

in a class of 25 students 15 have cats 16 have dogs 3 have neither.

find the probability a student chosen from random has a cat and a dog

Respuesta :

wolfdog123
wolfdog123 wolfdog123
  • 24-09-2021

Answer:

9/25

Explanation:

If 3 have neither cats or dogs, then you can subtract 3 from 25, which is equal to 22.

Next, you can also subtract 15 from 22. What do you get? 7.

Now, subtract 7 from 16 to find how many people in the class have both cats and dogs. The answer is 9. That is the numerator.

Finally, put 25 under 9, since that is the total number of people.

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