Describe, in your own words, what "convenience sampling" is. 1 point

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?