The following shows the number of individuals in a sample of 300 who indicated t
ID: 3201508 • Letter: T
Question
The following shows the number of individuals in a sample of 300 who indicated they support the new tax proposal.
Political Party Support
Democrats 100
Republicans 120
Independents 80
We are interested in determining whether or not the opinions of the individuals of the three groups are uniformly distributed. The expected frequency for each group is
0.333
0.50
50
None of these alternatives is correct.
0.333
0.50
50
None of these alternatives is correct.
Explanation / Answer
The expected frequency for each group is 1 / 3 = 0.333
Since there are 3 groups and probability of each group is equal so the the expected probability is 1 / 3 i.e. 0.333