Answer:
Transforms
Step-by-step explanation:
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%.
=0.049
0.77±0.049< 0.819, 0.721
answer a because -15/8 is -1.875
5,10,15,20,25,30,25,40,45,50,55,
105°
25+50+x=180
75+x=180
x=105