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Svetllana [295]
3 years ago
14

Which of the following represents an example of a population? Which of the following represents an example of a population? the

eastern gray squirrels that live in New York City's Central Park the red foxes found east of the Mississippi River in the United States and in eastern Europe all the mammals living in the region of Boulder, Colorado the gray squirrels and fox squirrels living in Springfield, Illinois
Mathematics
1 answer:
Serjik [45]3 years ago
7 0

Answer:

Correct option:

(1) the eastern gray squirrels that live in New York City's Central Park

Step-by-step explanation:

A population in Statistical analysis represents the set of all possible values a random variable, <em>X</em> can assume. For example, all the registered voters of the United States form a population, the weight of all the newborn babies in the country form a population.

All the mammals living in the region of Boulder, Colorado cannot form a population. This is because the set consists of <em>n</em> different species in the region.

And the gray squirrels and fox squirrels are two different species. So, together they cannot form a population.

The red foxes found east of the Mississippi River in the United States and in eastern Europe cannot form a population because the red foxes selected are from two different regions.

The eastern gray squirrels that live in New York City's Central Park can form a population because the set consists of one one species, i.e. the eastern gray squirrels from a particular region, i.e. New York City's Central Park.

Thus, the example of a population is "the eastern gray squirrels that live in New York City's Central Park."

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Ten less than 5 times the value of a number is equal to 10 times the quantity of
grandymaker [24]

Answer:

52

Step-by-step explanation:

given that the number is a

The expression for Ten less than 5 times the value of a number is given by

5a - 10

10 times the quantity of  12 more than one-fourth of the number.

a/4 is one-fourth  of number

12 more than one-fourth of the number

a/4 + 12

expression for  10 times the quantity of  12 more than one-fourth of the number. is given by

10(a/4 + 12) = 10a/4 + 12*10 = 2.5a + 120

Given that the above two expression are equal

equating them we have

5a - 10 = 2.5a + 120

adding 10 both sides

=>5a - 10+ 10  = 2.5a + 120 + 10

=> 5a = 2.5a + 130

subtracting 2.5a from both sides

=> 5a - 2.5a = 2.5a + 130 - 2.5a

=> 2.5a = 130

dividing both side by 2.5

=> a = 130/2.5 = 52

Thus, value of a is 52

5 0
3 years ago
Find the volume of the rectangular prism. Express your answer as a simplified mixed number.
Vedmedyk [2.9K]

Answer:

414 9/16 m³

414\frac{9}{16}m^{3}

Step-by-step explanation:

The volume of a Rectangular prism is calculated as Length × Width × Height

From the attached diagram,we can see that

The length = 8 3/8 m

The width = 6 m

The height =8 1/4 m

Converting the mixed fraction to improper fraction in other to simplify it better

The length = 67/8 m

The height = 33/4 m

The volume of the rectangular prism =

67/8 m × 6m × 33/4m

= (13266/32)m³

= 6633/16 m³

= 414 9/16 m³

= 414\frac{9}{16}m^{3}

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volume=l1*l2*l3

=8*15*20=2400cm^3

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