Answer:
It shows that the survey is meaningless because of voluntary response bias.
Step-by-step explanation:
This survey in the question provides a very good example of voluntary response bias and this often overrepresents negative opinions. Now, the people who chose to respond were most likely parents who were very unhappy, and so, there is very little chance that the 10,000 respondents were representative of the population. Knowing more about her readers, or taking a sample of the sample, would not have helped.
Thus, we can conclude that ;The survey is meaningless because of voluntary response bias.
Answer:
120
Step-by-step explanation:
i don't know if you still need help, but the answer is x=180-30-30=120 degrees
Answer:
1. 5 less than three times a number, n?
=3n-5
2 . Y multipled by 3.2 and then 12 added to the product ?
=3.2y+12
3. Eight more than four times a number , n ?
=4n+8
4. 8(m+1) =8m+8
Answer:yes
Step-by-step explanation:
Yes b is the right answer as the <is eating the thirty which means 15 is on the right to 30