Sam's Cat Hotel operates 52 weeks per? year, 5 days per? week,
and uses a continuous review inventory system. It purchases kitty
litter for ?$11.50 per bag. The following information is available
about these bags. Refer to the standard normal table LOADING...
for? z-values.
Demand ?= 80 ?bags/week
Order cost? = ?$58?/order
Annual holding cost? = 30 percent of cost
Desired ?cycle-service levelequals90 percent
Lead time? = 2 ?week(s) ?(10 working? days)
Standard deviation of weekly demand? = 16 bags...
A Company uses a 10-hp motor for 16 hours per day, 5 days per
week, 50 weeks per year in its flexible work cell. This motor is
85% efficient, and it is near the end of its useful life. The
company is considering buying a new high efficiency motor (91%
efficient) to replace the old one instead of buying a standard
efficiency motor (86.4% efficient). The high efficiency motor cost
$70 more than the standard model, and should have a...
Sam's Cat Hotel operates 52 weeks per year, 7 days per week, and uses a continuous review inventory system. It purchases kitty litter for $10.75 per bag. The following information is available about these bags. Refer to the standard normal table for z-values. >Demand 95 bags/week >Order cost $56/order >Annual holding cost = 30 percent of cost >Desired cycle-service level = 99 percent >Lead time = 4 week(s) (28 working days) >Standard deviation of weekly demand = 20 bags >Current on-hand inventory is 325 bags, with no...
Chapin Manufacturing Company operates 24 hours a day, five days
a week. The workers rotate shifts each week. Management is
interested in whether there is a difference in the number of units
produced when the employees work on various shifts. A sample of
five workers is selected and their output recorded on each
shift.
At the 0.05 significance level, can we conclude there is a
difference in the mean production rate by shift or by employee?
Units Produced Employee Day...
Chapin Manufacturing Company operates 24 hours a day, five days
a week. The workers rotate shifts each week. Management is
interested in whether there is a difference in the number of units
produced when the employees work on various shifts. A sample of
five workers is selected and their output recorded on each shift.
At the 0.01 significance level, can we conclude there is a
difference in the mean production rate by shift or by employee?
Units Produced Employee Day...
Chapin Manufacturing Company operates 24 hours a day, five days
a week. The workers rotate shifts each week. Management is
interested in whether there is a difference in the number of units
produced when the employees work on various shifts. A sample of
five workers is selected and their output recorded on each shift.
At the 0.05 significance level, can we conclude there is a
difference in the mean production rate by shift or by employee?
Units Produced
Employee
Day...
Chapin Manufacturing Company operates 24 hours a day, five days
a week. The workers rotate shifts each week. Management is
interested in whether there is a difference in the number of units
produced when the employees work on various shifts. A sample of
five workers is selected and their output recorded on each shift.
At the 0.01 significance level, can we conclude there is a
difference in the mean production rate by shift or by employee?
Units Produced
Employee
Day...
MW is a large discount store that operates seven days per week.
The store needs the following number of full-time employees working
each day of the week. Sunday Monday Tuesday Wednesday Thursday
Friday Saturday # of Employees 188 88 112 140 136 172 212 Each
employee must work five consecutive days each week and then have
two days off. For example, any employee who works Sunday through
Thursday has Friday and Saturday off. The store currently has a
total of...
Sam's Cat Hotel operates 5252 weeks per? year, 77 days per?
week, and uses a continuous review inventory system. It purchases
kitty litter for ?$10.7510.75 per bag. The following information is
available about these bags. Refer to the standard normal table
LOADING... for? z-values.
Demand = 100 bags/weeks
Order cost = $56/order
Annual Holding Cost = 30 percent of cost
Desired cycle-service level =99 percent Lead time = 2 weeks (14
working days)
Standard deviation of weekly demand = 10...
At Lummins Engine Corporation, production employees work 10
hours per day, four days per week. Each day of the week, at least
the following number of employees must be working: Monday through
Friday, seven employees; Saturday and Sunday, three employees.
Lummins has set the following goals, listed in order ofpriority: ■
Goal 1: Meet employee requirements with 11 workers. ■ Goal 2: The
average number of weekend days off per employee should be at least
1.5 days. ■ Goal 3:...