Mathematics, 01.11.2019 03:31, aalichia
Identify the type of sample used. coaches pick 20 boys and 20 girls randomly from the basketball league to survey about practice and game times.
a.
convenience
b.
simple random
c.
stratified random
d.
systematic
Answers: 1
Mathematics, 21.06.2019 16:00, nathanb29oue8gj
Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?
Answers: 2
Mathematics, 21.06.2019 20:30, gamelaza431
At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.
Answers: 1
Identify the type of sample used. coaches pick 20 boys and 20 girls randomly from the basketball lea...
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