BAN 280 - Quiz 1 Study Guide
The probability of a particular outcome must always be between 0.0 and 1.0 exclusive
True or False - correct answer ✔✔False
The z-scores for X values less than the mean are negative.
z=(x-mu)/sigma
True or False - correct answer ✔✔True
Which approach to probability is exemplified by the following formula? Probability of an Event =
(Number of times event occurred in the past) / (Total number of observations)
A.
The classical approach
B.
The empirical approach
C.
The subjective approach
D.
None of these. - correct answer ✔✔B
The definition of a probability distribution requires the sum of probabilities for all possible outcomes is
1.00
True or False - correct answer ✔✔True
, A probability distribution is a mutually exclusive and collectively exhaustive listing of experimental
outcomes that can occur by chance, and their corresponding probabilities.
True or False - correct answer ✔✔True
For a uniformly distributed random variable, x, P(x<=x0) = (x-a)/(b - a).
True or False - correct answer ✔✔True
Data show that the weight of an offensive linesman may be any weight between 200 and 350 pounds.
The distribution of weight is based on a ______________.
A.
continuous random variable
B.
discrete random variable
C.
qualitative variable
D.
All apply. - correct answer ✔✔A
The standard normal distribution is a special normal distribution with a mean of 0 and a standard
deviation of 1.
True False - correct answer ✔✔True
The probability of a particular outcome must always be between 0.0 and 1.0 exclusive
True or False - correct answer ✔✔False
The z-scores for X values less than the mean are negative.
z=(x-mu)/sigma
True or False - correct answer ✔✔True
Which approach to probability is exemplified by the following formula? Probability of an Event =
(Number of times event occurred in the past) / (Total number of observations)
A.
The classical approach
B.
The empirical approach
C.
The subjective approach
D.
None of these. - correct answer ✔✔B
The definition of a probability distribution requires the sum of probabilities for all possible outcomes is
1.00
True or False - correct answer ✔✔True
, A probability distribution is a mutually exclusive and collectively exhaustive listing of experimental
outcomes that can occur by chance, and their corresponding probabilities.
True or False - correct answer ✔✔True
For a uniformly distributed random variable, x, P(x<=x0) = (x-a)/(b - a).
True or False - correct answer ✔✔True
Data show that the weight of an offensive linesman may be any weight between 200 and 350 pounds.
The distribution of weight is based on a ______________.
A.
continuous random variable
B.
discrete random variable
C.
qualitative variable
D.
All apply. - correct answer ✔✔A
The standard normal distribution is a special normal distribution with a mean of 0 and a standard
deviation of 1.
True False - correct answer ✔✔True
