Mathematics, 07.07.2020 14:01 aaronpmoore1010
The table shows the number of families staying at a campsite in 2015.
Questionnaires are sent to 60 families.
The sample of size 60 is stratified by type of unit and area.
Area
a) How many families who
Woods Fields Clifftop
stayed in a Tent in the
Woods are sent a
Caravan 25
20
35 questionnaire?
Type of unit Tent
15
30
b) How many families who
45
stayed in a Caravan
Motorhome 60
are sent a questionnaire?
50
20
Total
100
100
100
Answers: 3
Mathematics, 21.06.2019 13:50, pedroramirezr2
Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?
Answers: 1
Mathematics, 21.06.2019 19:30, amanquen35
The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section
Answers: 1
The table shows the number of families staying at a campsite in 2015.
Questionnaires are sent to 60...
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