Nthe waiting room of a vet's office, there are 4 cats, 5 dogs, 1 lizard, and 1 hamster. a represents the event that a randomly selected animal in this waiting room is a dog. what is the probability of the complement of event a? enter your answer as a fraction, in simplified form, in the box

The probability is:

There are 4 cats, 5 dogs, 1 lizard, and 1 hamster.

A represents the event that a randomly selected animal in this waiting room is a dog.

This means that the probability of A is the ratio of number of dogs to the total number of animals.

i.e.

( Since the total number of animals are: 11

and the total number of dogs=5 )

Also, the probability of complement of A is given by:

Hence,

            Hence, the answer is:

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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