Course Operations Management-16SP
Test Quiz 2
Started 1/28/16 7:51 PM
Submitted 1/28/16 8:36 PM
Status Completed
Time Elapsed 45 minutes.
Instructions
  • Question 1

5 out of 5 points

The number of phone calls coming into a switchboard in the next five minutes will either be 0, 1, or 2. The probabilities are the same for each of these (1/3). If X is the number of calls arriving in a five-minute time period, what is the mean of X?

Answer

Selected Answer:  

1

Correct Answer:  

1

  • Question 2

0 out of 5 points

Which distribution is helpful in testing hypotheses about variances?

Answer

Selected Answer:  

binomial distribution

Correct Answer:  

distribution

  • Question 3

0 out of 5 points

The number of calls received by call center follows a Poisson process with a rate of 1.5 per minute. What is the probability that a minute goes by without a call?

Answer

Selected Answer:  

0

Correct Answer:  

0.223

  • Question 4

5 out of 5 points

Drivers arrive at a toll booth at a rate of 3 per minute during peak traffic periods. The time between consecutive driver arrivals follows an exponential distribution. What is the probability that it will take more than 1/3 of a minute between consecutive drivers?

Answer

Selected Answer:  

0.368

Correct Answer:  

0.368

  • Question 5

5 out of 5 points

What is the practice of transferring a firm’s activities that have traditionally been internal to external suppliers?

Answer

Selected Answer:  

outsourcing

Correct Answer:  

outsourcing

  • Question 6

5 out of 5 points

Experience differentiation:

Answer

Selected Answer:  

is an extension of product differentiation in the service sector.

Correct Answer:  

is an extension of product differentiation in the service sector.

  • Question 7

5 out of 5 points

Which of the following statements concerning the F distribution is true?

Answer

Selected Answer:  

The F distribution is useful in testing hypotheses about variance.

Correct Answer:  

The F distribution is useful in testing hypotheses about variance.

  • Question 8

0 out of 5 points

The number of phone calls coming into a switchboard in the next five minutes will either be 0, 1, 2, 3, 4, 5, or 6. The probabilities are the same for each of these (1/7). If X is the number of calls arriving in a five-minute time period, what is the mean of X?

Answer

Selected Answer:  

None of these

Correct Answer:  

3

  • Question 9

5 out of 5 points

Which of the international operations strategies involves low cost reductions and low local responsiveness?

Answer

Selected Answer:  

international strategy

Correct Answer:  

international strategy

  • Question 10

5 out of 5 points

Who introduced the concept of value-chain analysis?

Answer

Selected Answer:  

Porter

Correct Answer:  

Porter

  • Question 11

0 out of 5 points

The expected value of a probability distribution is

Answer

Selected Answer:  

the variance of the distribution.

Correct Answer:  

the average value of the distribution.

  • Question 12

0 out of 5 points

A company is considering producing some new Gameboy electronic games. Based on past records, management believes that there is a 70 percent chance that each of these will be successful, and a 30 percent chance of failure. Market research may be used to revise these probabilities. In the past, the successful products were predicted to be successful based on market research 90 percent of the time. However, for products that failed, the market research predicted these would be successes 20 percent of the time. If market research is performed for a new product, what is the probability that the product will be successful if the market research indicates a success?

Answer

Selected Answer:  

0.63

Correct Answer:  

0.91

  • Question 13

0 out of 5 points

Suppose that, historically, April has experienced rain and a temperature between 35 and 50 degrees on 20 days. Also, historically, the month of April has had a temperature between 35 and 50 degrees on 25 days. You have scheduled a golf tournament for April 12. If the temperature is between 35 and 50 degrees on that day, what will be the probability that the players will get wet?

Answer

Selected Answer:  

0.333

Correct Answer:  

0.800

  • Question 14

0 out of 5 points

Which of the following best describes experience differentiation?

Answer

Selected Answer:  

immerses consumers in the delivery of a service

Correct Answer:  

All of these are elements of experience differentiation.

  • Question 15

0 out of 5 points

Which of the following environmental factors has not contributed to Microsoft’s changing strategy?

Answer

Selected Answer:    [None Given]
Correct Answer:  

global warming

  • Question 16

0 out of 5 points

Data for a particular subdivision near downtown Houston indicate that the average price per square foot for a home is $100 with a standard deviation of $5 (normally distributed). What is the probability that the average price per square foot for a home is greater than $110?

Answer

Selected Answer:    [None Given]
Correct Answer:  

0.023

  • Question 17

0 out of 5 points

Cost minimization is an appropriate strategy in which stage of the product life cycle?

Answer

Selected Answer:    [None Given]
Correct Answer:  

decline

  • Question 18

0 out of 5 points

The ability of an organization to produce services that, by utilizing the consumer’s five senses, have some uniqueness in their characteristics is:

Answer

Selected Answer:    [None Given]
Correct Answer:  

experience differentiation.

  • Question 19

0 out of 5 points

Which of the following has made the LEAST progress along its product life cycle?

Answer

Selected Answer:    [None Given]
Correct Answer:  

3-D game players

  • Question 20

0 out of 5 points

Which of the following has progressed the FURTHEST along its product life cycle?

Answer

Selected Answer:    [None Given]
Correct Answer:  

drive-through restaurants