3.1 Forty workers in a large office can be classified as follows: Gender Office grade Totals Clerical Administrative Male Female Totals 4. 10 22 26 8 30 14 If a worker is selected at random from office, what is the probability that: .1 If a worker is selected at random from office, what is the probability that he in the administrative grade?
3.1 Forty workers in a large office can be classified as follows: Gender Office grade Totals Clerical Administrative Male Female Totals 4. 10 22 26 8 30 14 If a worker is selected at random from office, what is the probability that: .1 If a worker is selected at random from office, what is the probability that he in the administrative grade?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
Related questions
Question
100%
![2.2
Construct greater than ogive for the above data.
376477
(5)
QESTION THREE
[20]
aptoR
3.1
Forty workers in a large office can be classified as follows:
Gender
Office grade
Totals
Clerical
Administrative
Male
Female
4
10
22
26
8
30
Totals
14
If a worker is selected at random from office, what is the probability that:
3.1.1 If a worker is selected at random from office, what is the probability that he will be
in the administrative grade?
(3)
3.1.2 If the worker selected is female, what is the probability that she will be in the
administrative grade?
(3)
3.1.3 If the worker selected is male, what is the probability that he will be in the
administrative grade?
3.1.4 If the worker selected is in the administrative grade, what is the probability of
(4)
the worker being male?
(4)
A factory makes automotive components. There are three machines (A, B and C)
3.2
that make the same component. Machine A makes 40% of the components,
machine B makes 35% of the components and machine C makes the other 25%.
The defective rate is also known for each machine. Machine A has a defective
rate of 3%, machine B has a defective rate of 2.1% and machine C has a
defective rate of 1.5%. If the supervisor comes along and picks up 1 component
and it is defective, what is the probability that it comes from machine C?
(6)
QUESTION FOUR Chapter6
[25]
A consumer welfare agency wants to investigate the relationship be tween the sizes of
houses and rents paid by tenants in a small city. The agency collected the following
information on the sizes (hundreds of square feet) of the houses and the monthly rents
(in thousands of Rand) paid by tenants for five houses.
Size of house
Monthly rent-
(Hundreds of square feet)
(Thousands of Rand)
20
12
16
10
REDMI NOTE 9
15
30
AI QUAD CAMERA
25
16
34
22](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4ebae1eb-d337-4b5a-b42a-706ac8178923%2F8f8f7ef4-da2f-4bfb-89a2-12a3f62f045d%2Fa0rcel4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2.2
Construct greater than ogive for the above data.
376477
(5)
QESTION THREE
[20]
aptoR
3.1
Forty workers in a large office can be classified as follows:
Gender
Office grade
Totals
Clerical
Administrative
Male
Female
4
10
22
26
8
30
Totals
14
If a worker is selected at random from office, what is the probability that:
3.1.1 If a worker is selected at random from office, what is the probability that he will be
in the administrative grade?
(3)
3.1.2 If the worker selected is female, what is the probability that she will be in the
administrative grade?
(3)
3.1.3 If the worker selected is male, what is the probability that he will be in the
administrative grade?
3.1.4 If the worker selected is in the administrative grade, what is the probability of
(4)
the worker being male?
(4)
A factory makes automotive components. There are three machines (A, B and C)
3.2
that make the same component. Machine A makes 40% of the components,
machine B makes 35% of the components and machine C makes the other 25%.
The defective rate is also known for each machine. Machine A has a defective
rate of 3%, machine B has a defective rate of 2.1% and machine C has a
defective rate of 1.5%. If the supervisor comes along and picks up 1 component
and it is defective, what is the probability that it comes from machine C?
(6)
QUESTION FOUR Chapter6
[25]
A consumer welfare agency wants to investigate the relationship be tween the sizes of
houses and rents paid by tenants in a small city. The agency collected the following
information on the sizes (hundreds of square feet) of the houses and the monthly rents
(in thousands of Rand) paid by tenants for five houses.
Size of house
Monthly rent-
(Hundreds of square feet)
(Thousands of Rand)
20
12
16
10
REDMI NOTE 9
15
30
AI QUAD CAMERA
25
16
34
22
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