subject
Mathematics, 18.12.2019 06:31 coryowens44

Before the presidential debates, it was expected that the percentages of registered voters in favor of various candidates to be as follows. percent democrats 48% republicans 38% independent 04% undecided 10% after the presidential debates, a random sample of 1200 voters showed that 540 favored the democratic candidate; 480 were in favor of the republican candidate; 40 were in favor of the independent candidate, and 140 were undecided. at 95% confidence, test to see if the proportion of voters has changed.

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:00, aero8030
Which value of c would make he following expression completely factored? 8x+cy
Answers: 1
image
Mathematics, 21.06.2019 17:20, orose6395
What other information do you need to prove triangle dac=bca by asa
Answers: 1
image
Mathematics, 21.06.2019 18:00, creepycrepes
Sum is 17 and their difference is 3
Answers: 1
image
Mathematics, 21.06.2019 19:30, makiahlynn706
Which graph represents the equation y =4x
Answers: 2
You know the right answer?
Before the presidential debates, it was expected that the percentages of registered voters in favor...

Questions in other subjects: