Which of the following statement is not always true? (a) All integers are rational numbers.
(b) The difference of two rational numbers is a rational number.
(c) All rational numbers are fractions.
(d) The product of two rational numbers is a rational number.​

(b) The difference of two rational numbers is a rational number.

All rational numbers are fractions.

answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.