Exam 4: Probability and Probability Distributions
Exam 1: Introduction to Business Analytics29 Questions
Exam 2: Describing the Distribution of a Single Variable100 Questions
Exam 3: Finding Relationships Among Variables85 Questions
Exam 4: Probability and Probability Distributions114 Questions
Exam 5: Normal, Binomial, Poisson, and Exponential Distributions125 Questions
Exam 6: Decision Making Under Uncertainty107 Questions
Exam 7: Sampling and Sampling Distributions90 Questions
Exam 8: Confidence Interval Estimation84 Questions
Exam 9: Hypothesis Testing87 Questions
Exam 10: Regression Analysis: Estimating Relationships92 Questions
Exam 11: Regression Analysis: Statistical Inference82 Questions
Exam 12: Time Series Analysis and Forecasting106 Questions
Exam 13: Introduction to Optimization Modeling97 Questions
Exam 14: Optimization Models114 Questions
Exam 15: Introduction to Simulation Modeling82 Questions
Exam 16: Simulation Models102 Questions
Exam 17: Data Mining20 Questions
Exam 18: Importing Data Into Excel19 Questions
Exam 19: Analysis of Variance and Experimental Design20 Questions
Exam 20: Statistical Process Control20 Questions
Select questions type
What is the probability that a respondent chosen at random is a male?
(Essay)
4.9/5
(37)
A function that associates a numerical value with each possible outcome of an uncertain event is called a:
(Multiple Choice)
4.9/5
(41)
Suppose a randomly selected patron prefers wine. What is the probability the patron is a male?
(Short Answer)
4.9/5
(36)
What is the probability that three customers are waiting in line?
(Short Answer)
4.9/5
(43)
Probabilities that cannot be estimated from long-run relative frequencies of events are called:
(Multiple Choice)
4.9/5
(35)
A small grocery store is considering installing an express checkout line. Let X be the number of customers in the regular checkout line. Note that these numbers include the customers being served, if any. The probability distribution of X is given in the table below.
-Find the probability that one customer is in the regular checkout line.

(Short Answer)
4.8/5
(41)
The temperature of the room in which you are writing this test is a continuous random variable.
(True/False)
4.9/5
(28)
What is the probability that a randomly selected patron is not male?
(Short Answer)
4.8/5
(26)
The relative frequency of an event is the number of times the event occurs out of the total number of times the random experiment is run.
(True/False)
4.8/5
(36)
What is the probability a randomly selected patron prefers wine?
(Short Answer)
4.8/5
(38)
What is the probability a randomly selected patron is a female?
(Short Answer)
4.7/5
(39)
If a new pipeline will be constructed in the event that all three wells are successful, what is the probability that the pipeline will be constructed?
(Short Answer)
4.9/5
(40)
Suppose that the manufacturer of a particular product assesses the distribution of the demand for its product in the upcoming quarter as presented below. Use this information to answer the following questions.
Demand (in units)
-Find the expected demand (in units) for the upcoming quarter.

(Essay)
4.7/5
(41)
Football teams toss a coin to see who will get their choice of kicking or receiving to begin a game. The probability that given team will win the toss three games in a row is 0.125.
(True/False)
4.9/5
(38)
The number of people entering a shopping mall on a given day is an example of a discrete random variable.
(True/False)
4.9/5
(29)
If P(A and B) = 1, then A and B must be collectively exhaustive.
(True/False)
4.9/5
(40)
What is the probability that the demand for this product will be less than 3500 units in the upcoming quarter?
(Short Answer)
4.8/5
(37)
Showing 21 - 40 of 114
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)