In a class of 25 students, 15 of them have a cat,
16 of them have a dog and 3 of them have neither.
Find the probability that a student chosen at random
has a cat and a dog.
You may wish to complete the Venn diagram to help you.

In a class of 25 students 15 of them have a cat16 of them have a dog and 3 of them have neitherFind the probability that a student chosen at randomhas a cat and class=

Respuesta :

Step-by-step explanation:

if 15 of them have a cat 10 is left but 16 have a dog so that means 6 people have the same and 3 people are left without a person hopes this helps

Answer:

9/25

Step-by-step explanation:

  • we first find how many have both, let x represent this group
  • so all together there should be 25 students so we say
  • [tex]25students=(16-x)students+(15-x)students+(x)students+3students\\x=9students[/tex]
  • The probability is then 9/25