Questions from Total Quality Management

Q: A computer chip designed by the MicroKeeb Co. has a specification

A computer chip designed by the MicroKeeb Co. has a specification for the distance between two adjacent pins of 2.000 6 0.002 mm. The loss due to a defective chip is $4. A sample of 25 chips was drawn...

Q: At Elproparts Manufacturers’ integrated circuit business, managers gathered data from a

At Elproparts Manufacturers’ integrated circuit business, managers gathered data from a customer focus group and found that any output voltage that exceeds 60 6 3.5 volts was unacceptable to the custo...

Q: Two processes, P and Q, are used by a supplier

Two processes, P and Q, are used by a supplier to produce the same component, Z, which is a critical part in the engine of the Bearing Port 778 airplane. The specification for Z calls for a dimension...

Q: The average time to handle a call in the Call-No

The average time to handle a call in the Call-No wait call processing center has a specification of 5.9 6 1.15 minutes. The loss due to a mishandled call is $15. A sample of 25 calls was drawn from th...

Q: The Breton Card Company (BCC) is a manufacturer of playing

The Breton Card Company (BCC) is a manufacturer of playing cards and novelty cards for consumers and entertainment businesses. Playing cards are produced to individual specifications, which include th...

Q: Massive Corporation’s tested five motors in a 900- hour test.

Massive Corporation’s tested five motors in a 900- hour test. Compute the failure rate if three failed after 200, 475, and 750 hours and the other two ran for the full 900 hours each.

Q: The life of a calorific phone battery is normally distributed with a

The life of a calorific phone battery is normally distributed with a mean of 1,100 days and standard deviation of 60 days. Using Excel functions (see Chapter 6), determine the following: a. What frac...

Q: Newtonian, Inc. is working on a design for a new

Newtonian, Inc. is working on a design for a new smartphone. Marketing staff conducted extensive surveys and focus groups with potential customers to determine the characteristics that the customers w...

Q: Broadened, Inc. makes automobile tires that have a mean life

Broadened, Inc. makes automobile tires that have a mean life of 50,000 miles with a standard deviation of 2,500 miles. Using Excel functions (see Chapter 6), determine the following: a. What fraction...

Q: Livelong, Inc.’s computer monitors have a failure rate of

Livelong, Inc.’s computer monitors have a failure rate of λ = 0.00095 units per hour. Assuming an exponential distribution, what is the reliability function? What is the probability of failure within...