If we assume the student’s sample is representative of the whole population, then yes, the student can be considered accurate.
7 / 50 = 0.14
400 * 0.14 = 56
About 56 of the 400 students can be estimated to have traveled outside the US.
Answer:
178cm
Step-by-step explanation:
x=180
y=160
0.4(x+y)+42 =
0.4(180 + 160) +42 =
0.4(340)+42=
136+42=
178cm
Answer:
x = -7
Step-by-step explanation:
-1 + x = -8
x = -7
