12 of 15 The fact that probabilities are proportions means that they have to be
ID: 2919318 • Letter: 1
Question
12 of 15
The fact that probabilities are proportions means that they
have to be larger than one.
can't be lower than zero or more than one.
can't be lower than zero or more than 100.
can be either a positive or a negative number.
13 of 15
Suppose that you have a fish tank full of tropical salt-waterfish and you need to know the exact salt content of the water. Totest it, suppose you take a cup and scoop some of the water out. Instatistical language, the scoop of water is a
population.
parameter.
sample.
population distribution.
14 of 15
Suppose you wanted to study the general amount of drug use atyour school and you were given a complete list of the students. Ifyou then put all the names into a big box and had a blindfoldedperson select as many people as you needed, this would becalled
random selection.
haphazard selection.
specified selection.
type B selection.
15 of 15
Suppose that you wanted to conduct a study of the physicaleffects of caffeine. To recruit participants for your experimentyou post a sign-up sheet for anyone who would be willing toparticipate to sign up. This is an example of
random selection.
haphazard selection.
stratified selection.
type B selection.
have to be larger than one.
can't be lower than zero or more than one.
can't be lower than zero or more than 100.
can be either a positive or a negative number.
Explanation / Answer
12. They can't be lower than zero or more than one. 13. It is a sample. 14. random selection. 15. haphazard selection.Related Questions
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