Which of these is an example of a non-random sample?
A.
Out of all the seventh grade stu...
Mathematics, 06.05.2020 07:09 alexis05evans
Which of these is an example of a non-random sample?
A.
Out of all the seventh grade students in a public school district, fifteen are chosen to win a trip to a vacation destination.
B.
Airline passengers to Orlando, Florida, are asked about vacation plans.
C.
At a school assembly, five students are randomly chosen to receive free admission to a theme park.
D.
Registered voters in Arizona are surveyed to determine if they have relatives in Florida.
Answers: 1
Mathematics, 21.06.2019 13:40
In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?
Answers: 1
Mathematics, 21.06.2019 20:30
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
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