Answer:
a) 320 students
b) 25 students
Step-by-step explanation:
Number of 18-years old in the survey:
(We add all frequency points for each line)
0 + 30 + 20 + 60 + 70 + 40 + 60 + 40 + 0 = 320 students
Number of 18 year old spending between 25 and 35 minutes: 40 + 65 = 105
Number of 12 year old spending between 25 and 35 minutes: 30 + 50 = 80
105 - 80 = 25 students
I mean, this isn't a question but its true?
Y= 2 (x^2-3x+2)
y= 2 (x-1) (x-2)
x=2 and x=1
Answer:slope =3/4 y-intercept=3
Step-by-step explanation:
596*25%=149
149 people voted over age 65
