Let Y1 be a binomial random variable with n1 trials and probability of success given by p. Let Y2 be another binomial random variable with n2 trials and probability of success also given by p. If Y1 and Y2 are independent. Find the probability function of Y1 + Y2.

Evaluate the following expression 1/3^2

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]