Questions from Analytics

Q: A telephone call center where people place marketing calls to

A telephone call center where people place marketing calls to customers has a probability of success of 0.08. The manager is very harsh on those who do not get a sufficient number of successful calls....

Q: A financial consultant has an average of 7 customers he

A financial consultant has an average of 7 customers he consults with each day, which are assumed to be Poisson distributed. The consultant’s overhead requires that he consult with at least 5 customer...

Q: Suppose that a company offers quantity discounts. If up to

Suppose that a company offers quantity discounts. If up to 1000 units are purchased, the unit price is $10; if more than 1000 and up to 5000 units are purchased, the unit price is $9; and if more than...

Q: The number and frequency of Atlantic hurricanes annually from 1940

The number and frequency of Atlantic hurricanes annually from 1940 through 2012 is shown here.Number _________Frequency0 …………………………………………. 51 …………………………………………. 162 …………………………………………. 193 ……………………………………...

Q: Verify that the function corresponding to the following figure is

Verify that the function corresponding to the following figure is a valid probability density function. Then find the following probabilities:a. P(x b. P(x > 7)c. P(6 d. P(8 ,,,

Q: The time required to play a game of Battleship™ is

The time required to play a game of Battleship™ is uniformly distributed between 15 and 60 minutes.a. Find the expected value and variance of the time to complete the game.b. What is the probability o...

Q: A contractor has estimated that the minimum number of days

A contractor has estimated that the minimum number of days to remodel a bathroom for a client is 10 days. He also estimates that 80% of similar jobs are completed within 18 days. If the remodeling tim...

Q: In determining automobile-mileage ratings, it was found that the mpg

In determining automobile-mileage ratings, it was found that the mpg (X) for a certain model is normally distributed, with a mean of 33 mpg and a standard deviation of 1.7 mpg. Find the following:a. P...

Q: The distribution of the SAT scores in math for an

The distribution of the SAT scores in math for an incoming class of business students has a mean of 590 and standard deviation of 22. Assume that the scores are normally distributed.a. Find the probab...

Q: A supplier contract calls for a key dimension of a

A supplier contract calls for a key dimension of a part to be between 1.96 and 2.04 centimeters. The supplier has determined that the standard deviation of its process, which is normally distributed,...