Determine whether or not the procedure described below results in a binomial distribution. If it is...
Determine whether or not the procedure described below results in a binomial distribution. If it is not binomial, identify at least one requirement that is not satisfied.
Five hundred different voters in a region with two major political parties, A and B, are randomly selected from the population of 4.1 million registered voters. Each is asked if he or she is a member of political party A, recording Yes or No.
Choose the correct answer below.
A. Yes comma the result is a binomial probability distribution.
Yes, the result is a binomial probability distribution.
B. No, the number of trials is not fixed.
C. No, the probability of success is not the same in all trials.
D. No, there are more than two possible outcomes.
E. No comma the trials are not independent and the sample is more than 5 % of the population.
No, the trials are not independent and the sample is more than 5% of the population.
Homework Answers
Solution:
The correct option is A
Explanation:
Yes, it is binomial.
The response if either Yes or No. So only two outcomes.
The number of trials is fixed.
The probability of success is the same.
Each phone call is independent.
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