Amarketing firm claims that its ad campaign will increase sales of a toy during the holidays by 25%. what would the null hypothesis be in this scenario?

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

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.

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl