A) A company that manufactures oil seals found the population mean to be 49.15 mm (1.935 in.), the pop- ulation standard deviation to be 0.51 mm (0.020 in.), and the data to be normally distributed. If the internal diameter of the seal is below the lower specification limit of 47.80 mm, the part is reworked. However, if it is above the upper specification limit of 49.80 mm, the seal is scrapped.

(a) What percentage of the seals is reworked? What percentage is scrapped?

(b) For various reasons, the process average is changed to 48.50 mm. With this new mean or process center, what percentage of the seals is reworked? What percentage is scrapped? If rework is economically feasible, is the change in the process center a wise decision?

You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you​ survey? Assume that you want to be

9090​%

confident that the sample percentage is within

1.51.5

percentage points of the true population percentage. Complete parts​ (a) and​ (b) below.

a. Assume that nothing is known about the percentage of passengers who prefer aisle seats.

nequals=nothing

​(Round up to the nearest​ integer.)

b. Assume that a prior survey suggests that about

3232​%

of air passengers prefer an aisle seat.

nequals=nothing

​(Round up to the nearest​ integer.)

The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 110, while the mean score was 80 and the standard deviation was 7. 59 66 73 80 87 94 101 Distribution of Test Scores What is the approximate percentage students who scored between 73 and 87 on the test? Incorrect% What is the approximate percentage of students who scored lower than 59 on the test? Incorrect% What is the approximate percentage of students who scored less than 66 on the test? Incorrect% What is the approximate percentage of students who scored between 66 and 94 on the test? Incorrect%

The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 80​% confident that his estimate is within seven percentage points of the true population​ percentage? Complete parts​ (a) through​ (c) below

​a) Assume that nothing is known about the percentage of adults who have heard of the brand.

n=

(Round up to the nearest​ integer.)

​b) Assume that a recent survey suggests that about 86​% of adults have heard of the brand.

n=

​(Round up to the nearest​ integer.)

Bond J has a coupon rate of 4 percent. Bond K has a coupon rate of 9 percent. Both bonds have 7 years to maturity, make semiannual payments, and have a YTM of 6 percent.

-If interest rates suddenly rise by 2 percent, what is the percentage price change of Bond J?

-If interest rates suddenly rise by 2 percent, what is the percentage price change of Bond K?

-If interest rates suddenly fall by 2 percent, what is the percentage price change of Bond J?

-If interest rates suddenly fall by 2 percent, what is the percentage price change of Bond K?

You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you​ survey? Assume that you want to be 99​% confident that the sample percentage is within 2.5 percentage points of the true population percentage. Complete parts​ (a) and​ (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. nequals nothing ​(Round up to the nearest​ integer.) b. Assume that a prior survey suggests that about 31​% of air passengers prefer an aisle seat. nequals nothing ​(Round up to the nearest​ integer.)

Sundin Inc. ("The Company") is a manufacturer of hockey sticks in Sweden. This year is a very important year for the company, as they are considering going public in the near future. Management wants to do some scenario planning and see what the financial results would look like under different production levels.

The Company has budgeted these costs for one hockey stick (1 Unit).

Fixed overhead for The Company will be $14,000 this year

Required: Prepare a flexible budget, for the year, for the production of 3,500 and 4,000 units. Using this flexible budget, answer the following questions:

Question 26 options:

What is the total cost to The Company, excluding fixed overhead, for the production of 3,500 units?

Question 27 options:

What is the total cost per unit for the production of 3,500 units?

Question 28 options:

What is the total cost to The Company, excluding fixed overhead, for the production of 4,000 units?

Question 29 options:

What is the total cost per unit for the production of 4,000 units?

Question 30 options:

Which of the following is true regarding a flexible budget?

Question 31 options:

Using the flexible budget, what costs are included in calculating the total cost of production?