Question 1

Customers at a popular restaurant that refuses reservations arrive according to the Poisson distribution at a rate of 4 parties every 5 minutes.What is the probability that there will be more than 2 minutes between arriving parties?

Accepted Answer

The answer of Customers at a popular restaurant that refuses...

Question 2

The time it takes to travel from home to the office is normally distributed with F1F1F1S1F1F1F10 = 25 minutes and F1F1F1S1F1F1F10 = 5 minutes.
a.What is the probability the trip takes more than 20 minutes?
b.What is the probability the trip takes less than 15 minutes.
c.What is the probability the trip takes between 30 and 35 minutes?
d.What is the probability the trip takes more than 40 minutes?

Accepted Answer

The answer of The time it takes to travel from...

Question 3

Water's Edge is a clothing retailer that promotes its products via catalog and accepts customer orders by all of the conventional ways including the Internet.The company has gained a competitive advantage by collecting data about its operations and the customer each time an order is processed.
Among the data collected with each order are: number of items ordered,total shipping weight of the order,whether or not all items ordered were available in inventory,time taken to process the order,customer's number of prior orders in the last 12 months,and method of payment.
For each of the six aforementioned variables,identify which of the variables are discrete and which are continuous.

Accepted Answer

The answer of Water's Edge is a clothing retailer that...

Question 4

Assume that the time required to download a file from the Internet is exponentially distributed with mean equal to 4 minutes.What is the probability that a download will require at least 2 but not more than 4 minutes?

Accepted Answer

The answer of Assume that the time required to download...

Question 5

Sandy's Pet Center grooms large and small dogs.It takes Sandy 40 minutes to groom a small dog and 70 minutes to groom a large dog.Large dogs account for 20% of Sandy's business.Sandy has 5 appointments tomorrow.
a. What is the probability that all 5 appointments tomorrow are for small dogs?
b. What is the probability that two of the appointments tomorrow are for large dogs?
c. What is the expected amount of time to finish all five dogs tomorrow?

Accepted Answer

The answer of Sandy's Pet Center grooms large and small...

Question 6

Scores on an endurance test for cardiac patients are normally distributed with F1F1F1S1F1F1F10 = 182 and F1F1F1S1F1F1F10 = 24.
a.What is the probability a patient will score above 190?
b.What percentage of patients score below 170?
c.What score does a patient at the 75th percentile receive?

Accepted Answer

The answer of Scores on an endurance test for cardiac...

Quiz 3: Probability Distributions

Customers at a popular restaurant that refuses reservations arrive according to the Poisson distribution at a rate of 4 parties every 5 minutes.What is the probability that there will be more than 2 minutes between arriving parties?

Assume that the time required to download a file from the Internet is exponentially distributed with mean equal to 4 minutes.What is the probability that a download will require at least 2 but not more than 4 minutes?

Scores on an endurance test for cardiac patients are normally distributed with  = 182 and  = 24. a.What is the probability a patient will score above 190? b.What percentage of patients score below 170? c.What score does a patient at the 75th percentile receive?