QMET 251 Exam 2 – Study Guide, Practice Questions & Quantitative Methods
Review
If two events are collectively exhaustive, what is the probability that one or the other occurs? -
correct answer ✔✔1.00
If two events are collectively exhaustive, what is the probability that both occur at the same
time?
a. 0
b. 0.50
c. 1.00
d. cannot be determined from the information given - correct answer ✔✔d. cannot be
determined by the information given
If two events are mutually exclusive, what is the probability that both occur at the same time? -
correct answer ✔✔0
If the outcome of event A is not affected by event B, then events A and B are said to be: -
correct answer ✔✔independent
The smallest possible value for a probability is ______. - correct answer ✔✔0
The largest possible value for a probability is ______. - correct answer ✔✔1
If two events are ________, they cannot occur at the same time. - correct answer ✔✔mutually
exclusive
, If two events are _______, the probability that both events occur is the product of their
individual probabilities. - correct answer ✔✔independent
In the ______ probability approach, probabilities are based on frequencies obtained from
surveys. - correct answer ✔✔empirical
In the _______ probability approach, probabilities can vary depending on the individual
assigning them. - correct answer ✔✔subjective
The sum of the probabilities of all the events in a probability distribution is equal to: - correct
answer ✔✔1
The largest number of possible successes in a binomial distribution is: - correct answer ✔✔n
The smallest number of possible successes in a binomial distribution is - correct answer ✔✔0
Which of the following about the binomial distribution is not a true statement?
a. the probability of success must be constant from trial to trial.
b. each outcome is independent of the other.
c. each outcome may be classified as either "success" or "failure"
d. the variable of interest is continuous - correct answer ✔✔d. the variable of interest is
continuous
Whenever p = 0.5, the binomial distribution will: - correct answer ✔✔always be symmetric
The smallest number of possible successes in a Poisson distribution is: - correct answer ✔✔0
Review
If two events are collectively exhaustive, what is the probability that one or the other occurs? -
correct answer ✔✔1.00
If two events are collectively exhaustive, what is the probability that both occur at the same
time?
a. 0
b. 0.50
c. 1.00
d. cannot be determined from the information given - correct answer ✔✔d. cannot be
determined by the information given
If two events are mutually exclusive, what is the probability that both occur at the same time? -
correct answer ✔✔0
If the outcome of event A is not affected by event B, then events A and B are said to be: -
correct answer ✔✔independent
The smallest possible value for a probability is ______. - correct answer ✔✔0
The largest possible value for a probability is ______. - correct answer ✔✔1
If two events are ________, they cannot occur at the same time. - correct answer ✔✔mutually
exclusive
, If two events are _______, the probability that both events occur is the product of their
individual probabilities. - correct answer ✔✔independent
In the ______ probability approach, probabilities are based on frequencies obtained from
surveys. - correct answer ✔✔empirical
In the _______ probability approach, probabilities can vary depending on the individual
assigning them. - correct answer ✔✔subjective
The sum of the probabilities of all the events in a probability distribution is equal to: - correct
answer ✔✔1
The largest number of possible successes in a binomial distribution is: - correct answer ✔✔n
The smallest number of possible successes in a binomial distribution is - correct answer ✔✔0
Which of the following about the binomial distribution is not a true statement?
a. the probability of success must be constant from trial to trial.
b. each outcome is independent of the other.
c. each outcome may be classified as either "success" or "failure"
d. the variable of interest is continuous - correct answer ✔✔d. the variable of interest is
continuous
Whenever p = 0.5, the binomial distribution will: - correct answer ✔✔always be symmetric
The smallest number of possible successes in a Poisson distribution is: - correct answer ✔✔0