200% bc it went up 2x as much as it cost before
Answer:
28.9
Step-by-step explanation:
2782 divied by 96 gives you 28.9.
I hope this helps you
x=3. (27x+2)
x=81x+6
80x=-6
x=-3/40
Answer: Given a sample of 200, we are 90% confident that the true proportion of people who watched educational TV is between 72.1% and 81.9%.
Step-by-step explanation:


=0.049
0.77±0.049< 0.819, 0.721