Im back need help again

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.