There are approximately 2.1 million community college students in California. A researcher wants to gather information about the student body, but only has enough grant money to sample 2,000 students....

There are approximately 2.1 million community college students in California. A researcher wants to
gather information about the student body, but only has enough grant money to sample 2,000 students.
Students are assigned numbers and then random numbers are used so that every student has an equal
chance of being selected.
a) This is known as a: ___________________.
b) Measurements obtained from this are known as: ___________________.
c) Suppose the researcher did not have enough money to sample so instead they sent an email to all of
the students and asked them to reply, stopping when they had 2000 responses.
d) What kind of sampling method is this?
e) What might be wrong with this type of sampling method?
d) Suppose the researcher was able to collect data on all every student, with regards to the amount of
time they were logged into canvas. This type of measurement is a ________________?
e) Suppose that the researcher wanted to selected several students from each of the 116 community
colleges, this would be called a _______sampling method
f) If 2000 students were selected for the survey at random, what is the probability that any student is
selected? (No need to use the binomial theorem here).