Do less republicans (group a) then democrats (group b) favor the government investing billions of dollars to improve the country's train system? one thousand republicans and one thousand democrats were asked if they favored spending billions to improve the country's train system. how would we write the alternative hypothesis?
a. ha: pa - pb does not equal 0b. ha: pa - pb < 0c. ha: pa - pb > 0d. ha: pa - pb = 0
hello : f(x) = cos4x
f(0) = f(π/2) =f(π) = f(3π/2) = f (2π) = 1
2 being the y intercept graph at (0,2)
then rise over run - up 5 over to the right 1