A non-response bias is when subjects are selected to participate in a survey but some choose not to respond. This would lead to a portion of the population being misrepresented leading to inaccurate results. For example, those who returned the survey might be more likely to do something than those who did not complete the survey.
Answer:
80 pages
Step-by-step explanation:
First, work out how many minutes are in two hours.
2 hours = 120 minutes.
Multiply 2/3 by 120
2/3 × 120 = 240/3
Simplify the the fraction
240/3 = 80/1 = 80.
She has eaten 3 cookies.
And a tape diagram looks something like this.
Not sure if that’s right but I hope that helps