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Ned’s Natural Foods sells unshelled peanuts by the pound. Historically, Ned has observed that daily demand is normally distributed with a mean of 80 pounds and a

QUESTION:

Ned’s Natural Foods sells unshelled peanuts by the pound. Historically, Ned has observed that daily demand is normally distributed with a mean of 80 pounds and a standard deviation of 10 pounds. Lead time also appears normally distributed with a mean of eight days and a standard deviation of one day. What ROP would provide a stockout risk of 10 percent during the lead time?

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One item a computer store sells is supplied by a vendor who handles only that item. The demand for that item recently changed, and the store manager must determine

QUESTION:

One item a computer store sells is supplied by a vendor who handles only that item. The demand for that item recently changed, and the store manager must determine when to replenish it. The manager wants a probability of at least 96 percent of not having a stockout during lead time. The manager expects demand to average a dozen units a day and have a standard deviation of two units a…

Ned’s Natural Foods sells unshelled peanuts by the pound. Historically, Ned has observed that daily demand is normally distributed with a mean of 80 pounds and a

QUESTION:

Ned’s Natural Foods sells unshelled peanuts by the pound. Historically, Ned has observed that daily demand is normally distributed with a mean of 80 pounds and a standard deviation of 10 pounds. Lead time also appears normally distributed with a mean of eight days and a standard deviation of one day. What ROP would provide a stockout risk of 10 percent during the lead time?

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The manager of a car wash received a revised price list from the vendor who supplies soap, and a promise of shorter lead time for deliveries.

QUESTION:

The manager of a car wash received a revised price list from the vendor who supplies soap, and a promise of shorter lead time for deliveries. Formerly the lead time was four days, but now the vendor promises a reduction of 25 percent at that time. The annual usage of soap is 4,500 gallons. The car wash is open 360 days a year. Assume that daily usage is normal and that it has a standard…

a. Given the following diagram for a product, determine the quantity of each component required to assemble one unit of the finished product.

QUESTION:

a. Given the following diagram for a product, determine the quantity of each component required to assemble one unit of the finished product.

b. Draw a tree diagram for a stapler given the following bill of materials:

As part of an insurance company?s training program, participants learn how to conduct an analysis of clients? insurability

QUESTION:

As part of an insurance company?s training program, participants learn how to conduct an analysis of clients? insurability. The goal is to have participants achieve a time in the range of 30 to 45 minutes. Test results for three participants were: Armand, a mean of 38 minutes and a standard deviation of 3 minutes; Jerry, a mean of 37 minutes and a standard deviation of 2.5 minutes; and…

Verify the transportation solution shown in Example 3?

QUESTION:

“Verify the transportation solution shown in Example 3”?

Example 3:

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An appliance manufacturer wants to contract with a repair shop to

QUESTION:

An appliance manufacturer wants to contract with a repair shop to handle authorized repairs in Indianapolis. The company has set an acceptable range of repair time of 50 minutes to 90 minutes. Two firms have submitted bids for the work. In test trials, one firm had a mean repair time of 74 minutes with a standard deviation of 4.0 minutes and the other firm had a mean repair time of 72…

The injection molding department of a company uses an average of 30 gallons of special lubricant a day. The supply of the lubricant is replenished when the amount

QUESTION:

The injection molding department of a company uses an average of 30 gallons of special lubricant a day. The supply of the lubricant is replenished when the amount on hand is 170 gallons. It takes four days for an order to be delivered. Safety stock is 50 gallons, which provides a stockout risk of 9 percent. What amount of safety stock would provide a stockout risk of 3 percent? Assume…

a. The following table contains figures on the monthly volume and unit costs for a random sample of 16 items from a list of 2,000 inventory items at a health care

QUESTION:

a. The following table contains figures on the monthly volume and unit costs for a random sample of 16 items from a list of 2,000 inventory items at a health care facility. Develop an A- B- C classification for these items:

b. Given the monthly usages in the following table, classify the items in A, B, and C categories according to dollar usage:

c. Determine the percentage of items in…

Demand for walnut fudge ice cream at the Sweet Cream Dairy can be approximated by a normal distribution with a mean of 21 gallons per week and a standard

QUESTION:

Demand for walnut fudge ice cream at the Sweet Cream Dairy can be approximated by a normal distribution with a mean of 21 gallons per week and a standard deviation of 3.5 gallons per week. The new manager desires a service level of 90 percent. Lead time is two days, and the dairy is open seven days a week.

a. If a ROP model is used, what ROP would be consistent with the desired service…

A company uses 85 circuit boards a day in a manufacturing process. The person

QUESTION:

A company uses 85 circuit boards a day in a manufacturing process. The person who orders the boards follows this rule: Order when the amount on hand drops to 625 boards. Orders are delivered approximately six days after being placed. The delivery time is normal with a mean of six days and a standard deviation of 1.10 days. What is the probability that the supply of circuit boards will…

A mail-order house uses 18,000 boxes a year. Carrying costs are 60 cents per box a year, and ordering costs are $96.

QUESTION:

A mail-order house uses 18,000 boxes a year. Carrying costs are 60 cents per box a year, and ordering costs are $96. The following price schedule applies. Determine

a. The optimal order quantity.

b. The number of orders per year.

Number of Boxes __________Price per Box

1,000 to 1,999 ????????….$1.25

2,000 to 4,999 ????????.. $1.20

5,000 to 9,999 ????????…$1.15

10,000 or more…

A company produces two very similar products that go through a three-step sequence of fabrication, assembly, and packaging. Each step requires one day

QUESTION:

A company produces two very similar products that go through a three-step sequence of fabrication, assembly, and packaging. Each step requires one day for a lot to be completely processed and moved to the next department. Processing requirements for the departments (hours per unit) are

Department capacities are all 700 hours of labor and 500 hours of machine time, except Friday, when…

One of Marty?s partners, Ann, has organized information on lead times, inventory on hand, and lot-sizing rules (established by suppliers):

QUESTION:

One of Marty?s partners, Ann, has organized information on lead times, inventory on hand, and lot-sizing rules (established by suppliers): Scheduled receipts are After the dot-com business he tried to start folded, David ? Marty? Dawkins decided to pursue his boyhood dream of owning a bike factory. After several false starts, he finally got a small company up and running. The company…

Compute the total cost for each aggregate plan using these unit costs: Regular output $40 Overtime $50 Subcontract $60 Average Balance Inventory $10

QUESTION:

Compute the total cost for each aggregate plan using these unit costs:

Regular output …………………… $40

Overtime …………………………… $50

Subcontract ……………………….. $60

Average Balance Inventory ….. $10

a.

b.

c. (Refer to part b) After complaints from some workers about working overtime every month during the first half of the year, the manager is now considering adding some temporary workers for the…

Tiger Tools, a division of Drillmore Industries, was about to launch a new product. Production Manager Michelle York

1. How did Jim conclude that the process was not capable based on his first set of samples?

2. Does the second set of samples show anything that the first set didn?t? Explain what and why.

3. Assuming the problem can be found and corrected, what impact do you think this would have on the capability of the process? Compute the potential process capability using the second data set.

4. If small…