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rosijanka [135]
3 years ago
5

State whether the data are best described as a population or a sample. The U.S. Department of Transportation announces that of t

he 250 million registered passenger vehicles in the US, are electro-gas hybrids.
Mathematics
1 answer:
statuscvo [17]3 years ago
3 0

Answer:

The registered passengers vehicle is he population and the one that are electro-gas hybrids forms a sample of the population.

Step-by-step explanation:

We are given the following in the question:

The U.S. Department of Transportation announces that of the 250 million registered passenger vehicles in the US, 2.1% are electro-gas hybrids.

Population and sample:

  • Population is collection of all the observations of individuals of interest.
  • Sample is a subset of population.
  • Population is always larger than the sample.
  • Population is the universal set of all observations.

Thus, for the given case,

Individual of interest:

250 million registered passenger vehicles in the US

Population of interest:

250 million registered passenger vehicles in the US

Sample:

2.1% electro-gas hybrids.

Thus, the registered passengers vehicle is he population and the one that are electro-gas hybrids forms a sample of the population.

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A bolt has 16-1/2 turns per inch. How many bolts would be in 2-1/2 inches?
ohaa [14]

Answer:

41 1/4

Step-by-step explanation:

Change 16  1/2 to a mixed number

16 1/2 = (2*16+1)/2 = 33/2

Change 2 1/2 to a mixed number = (2*2+1)/2 = 5/2

Multiply the turns per inch by the inches

33/2 * 5/2 =165/4

Change this back to a mixed number

4 goes into 165 41 times

41*4 = 164   there is 1 left over

41 1/4

6 0
3 years ago
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A one year membership to metro gym costs $460. There is a fee of $40 when you join, and the rest is paid monthly. Write an equat
zysi [14]

Answer: The equation that would help members to find how much they would pay per month is

40 + 12x = 460

Step-by-step explanation:

Let x represent the amount of money that members would pay per month.

Let y represent the number of months for which a member uses the gym.

There is a fee of $40 when you join, and the rest is paid monthly. This means that the cost of using the gym for x months would be

40 + xy

A one year membership to metro gym costs $460. Therefore are 12 months in a year. Therefore,

40 + 12x = 460

12x = 460 - 40 = 420

x = 420/12 = 35

The equation that would help members to find how much they would pay per month is

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3 years ago
An orbiting satellite has seven solar cells, which function independently of each other. During a mission, each cell fails with
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The due date is 2pm, dolololo
4 0
3 years ago
Help omg if so thank you.
Goshia [24]

Answer:

35

Step-by-step explanation:

49*5/7

=35

7 0
3 years ago
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What is the median for the following set of data?
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Answer:

9

The middle numbers are 8 and 10. 9 is the number in between them which means it is the median.

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