A shopping centre owner conducts a survey and asks customers about the importance of having a children's play area.
The pie chart shows the results of the survey.
a) The average number of visitors to this shopping centre each year is 684 720
Estimate the number of visitors that think having a children's play area is important. Assume that the sample is representative of the visitors.
Optional working
+
Not important 634
No opinion 951
Important 2219
Answer
(3)
b) In fact, 20% of the sample had children with them. 50% of the daily visitors have children with them.
How would this affect the actual number of visitors thinking that having a children's play area is important (A, B or C)?
A- It is lower than the answer to a)
B- It is the same as the answer to a)
(1)
C - It is higher than the answer to a)
Total marks: 4