In: Statistics and Probability

A Shopping Mall sells trays of eggs of which some are returned because they are defective and it has been observed that 15% of the trays are defectives. The defective and no defective trays where observed on a random manner. If 8 trays are randomly collected, Find :-

a) The probability that exactly 2 of them are defective

b) The probability that at least 3 are defective

c) The probability that at most 2 are defective

d) The probability that no tray is defective

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Peggy Company makes and sells a product that normally sells for
$57. Because of a defective machine, 1,000 units were not produced
correctly and remain in inventory. Each of the defective unit has
the following costs assigned to it by the company's absorption
costing system:
Direct materials
$6.00 per unit
Direct labor
$2.00 per unit
Variable Overhead
$2.25 per unit
Fixed Overhead
$1.8 per unit
The company has two options regarding the defective units: (1)
be sold for $8 per...

Peggy Company makes and sells a product that normally sells for
$57. Because of a defective machine, 1,000 units were not produced
correctly and remain in inventory. Each of the defective unit has
the following costs assigned to it by the company's absorption
costing system:
Direct materials
$6.00 per unit
Direct labor
$2.00 per unit
Variable Overhead
$1.75 per unit
Fixed Overhead
$1.8 per unit
The company has two options regarding the defective units: (1)
be sold for $8 per...

Piti Corp. makes and sells a product that normally sells for
$19. Because of a defective machine, 1,000 units were not produced
correctly and remain in inventory. Each of the defective unit has
the following costs assigned to it by the company's absorption
costing system:
Direct materials
$5.00 per unit
Direct labor
$3.00 per unit
Variable Overhead
$2.5 per unit
Fixed Overhead
$0.25 per unit
The company has two options regarding the defective units: (1)
be sold for $8 per...

Matt and Lisa are driving together to a shopping mall, looking
forward to buying some clothes. Matt wants to stop by Sports
Authority to buy the new jersey of his favorite hockey team,
whereas Lisa wants to go to Banana Republic to buy a new outfit.
Both find the idea of going together to both stores a little
boring, so they agreed beforehand to split and go individually to
their desired store. After shopping individually, they decide to
meet at...

The table shows the daily sales (in $1000) of shopping
mall for some randomly selected
days
Sales 1.1-1.5 1.6-2.0 2.1-2.5 2.6-3.0 3.1-3.5 3.6-4.0 4.1-4.5
Days 18 27 31 40 56 55 23
Use it to answer questions 13 and 14.
13. What is the approximate value for the modal daily sales?
A. $3,129.41 B. $2,629.41 C. $3,079.41 D. $3,123.53
14. The approximate median daily sales is …
A. $3,130.36 B. $2,680.36 C. $3,180.36 D. $2,664

The owners of a shopping mall had studied the shopping habits of
their customers. Historical data showed that the mean time spent by
shoppers in the mall was 60 minutes. The owners improved the mall
and wished the improvement would cause shoppers to spend more time
in the mall. A random sample of 50 shoppers is selected, the
average time spent by these shoppers in the mall is 62 minutes with
a standard deviation of 5 minutes.
(a) Use p-value...

The owners of a shopping mall had studied the shopping habits
of their customers. Historical data
showed that the mean time spent by shoppers in the mall was 60
minutes. The owners improved
the mall and wished the improvement would cause shoppers to
spend more time in the mall. A
random sample of 50 shoppers is selected, the average time
spent by these shoppers in the mall is
62 minutes with a standard deviation of 5 minutes.
(a) Use p-value...

Option 1: The major shopping areas in the community of
Springdale include Springdale Mall, West Mall, and the downtown
area on Main Street. A telephone survey has been conducted to
identify strengths and weaknesses of these areas and to find out
how they fit into the shopping activities of local residents. The
150 respondents were also asked to provide information about
themselves and their shopping habits. The data are provided in the
file SHOPPING. The variables in the survey can...

case Scenario # 2
A couple in their 50s is shopping in a mall where a health fair
is set up. You are a nurse participating at a booth offering blood
pressure readings. After much coaxing, the woman persuades her
husband to have his blood pressure taken. You obtain a reading of
168/94 mm Hg. The wife reacts strongly, saying, “I told you that
your lack of exercise and overeating would catch up with you one
day. How am I...

A couple in their 50s is shopping in a mall where a health fair
is set up. You are a nurse participating at a booth offering blood
pressure readings. After much coaxing, the woman persuades her
husband to have his blood pressure taken. You obtain a reading of
168/94 mm Hg. The wife reacts strongly, saying, “I told you that
your lack of exercise and overeating would catch up with you one
day. How am I going to manage being...

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