Miranda did a survey of what time people
get to their office on Monday morning.
The table shows her results for
150 people.
Time
before 7 am
7am to 7:59 am
8am to 8:59 am
9am to 9:59 am
No of people
15
39
75
21
a) What percentage of the people surveyed arrive at their office before 7 am?
Optional working
+
Answer:
b) What percentage of the people surveyed arrive at their office after 7:59 am?
Optional working
Answer:
%