A researcher surveyed college students to study their opinion about the proposed change in smoking rules. The researcher asked a group of 30 students: 12 of them supported the change, 13 of them did not, and 5 had no opinion. This is not a binomial model because...

Question

kropot72 · Answer

A variable which has a binomial distribution has the following properties;
a) There is a fixed number of trials.
b) Each trial is independent of the others.
c) Each trial has a constant probability of success.
d) There are only two possible outcomes, usually referre to as 'success' and 'failure'.
Which of the above characteristics do not apply to the survey descibed in the question?

kropot72 · Answer

@Will527 Shall we go thru each of the four properties of a binomial distribution together to find which ones apply to the survey and which ones don't?

kropot72 · Answer

@Will527 Are you there?