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elena-s [515]
3 years ago
7

10.1 Populations and Samples

Mathematics
2 answers:
Colt1911 [192]3 years ago
4 0

Answer:

I'm glad you asked!I couldn't fully understand it so I made it the best of my ability.

Step-by-step explanation:

1.(Please,I cannot understand it .I think it is incomplete.)

2.18 out of 270 students speak 3 languages or more.So 30,330 x \frac{18}{270} = 2,002.2,002 students.

3.We would do 5,000 x \frac{2}{10} = 1,000.

4.No, the manufacturer cannot assume the prediction is valid.

The sample size of 10 is too small compared to the size of the shipment.

5.You can use random samples by using them for graphs which numbers are too big.

Natalija [7]3 years ago
3 0

I think you can multiply how many are defective in a sample by how much more stuff there is

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A pan of lasagna cut into 100 servings is equally shared among a group of people. For Exercises
Volgvan

53).  100 servings / 20 people  =  (100/20) (svngs/ppl)

                                                 = 5 servings per person.

         Each person gets 1/20 = 5% = 0.05 of the pan.


54).  100 servings / 40 people  =  (100/40) (svngs/ppl)

                                                 = 2.5 servings per person.

         Each person gets  1/40 = 2.5% = 0.025 of the pan.


55).  100 servings / 30 people  =  (100/30) (svngs/ppl) 

                                                  = (3 and 1/3) servings per person.

         Each person gets  1/30 = (3 and 1/3) % = 0.0333... of the pan.
 
3 0
3 years ago
5 ( 9 + d ) when d = 3
Damm [24]

Answer:

60

Step-by-step explanation:

5 ( 9 + d )

Let d=3 and substitute it in

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According to PEMDAS, we do what is in the parentheses first

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60

6 0
3 years ago
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The answer to your question is 177,251.28571529
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4 years ago
A+B= -7 and AXB= -15
ZanzabumX [31]
A+b=-7
ab=-15

a=-7-b
b(-7-b)=-15

a=-7-b
-b^2-7b+15=0

a=-7-b
b^2+7b-15=0

a=-7-b
b=(-7±sqrt(109))/2
1) 
a=-7-b
b=(-7+sqrt(109))/2

b=(-7+sqrt(109))/2
a=-7+3.5-sqrt(109)/2

b=(-7+sqrt(109))/2
a=-3.5-sqrt(109)/2

2)
a=-7-b
b=(-7-sqrt(109))/2

b=(-7-sqrt(109))/2
a=-7+3.5+sqrt(109)/2

b=(-7-sqrt(109))/2
a=-3.5+sqrt(109)/2
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4 years ago
Find the volume of the cylinder express your answers in terms of pi
Serjik [45]

Answer:

704 pi in ^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h where r is the radius and h is the height

V = pi ( 8)^2 * 11

V = pi (704)

V = 704 pi in ^3

5 0
3 years ago
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