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3 years ago

In which of the following situations would the use of sampling be most appropriate?Multiple Choice

Mathematics

1 answer:

pishuonlain [190]3 years ago

5 0

Answer:

The use of sampling would be best in the following situation:

a. The need for precise information is less important.

Step-by-step explanation:

Sampling:

It is such a process of analysis in which we divide a large proportion of data into smaller proportions called samples to determine the characteristics of that data.

The option a is correct as in sampling, we take a smaller proportion from a large pool of data so when the precise information is less important, it is a good way to use sampling.
The option b is not correct as the number of items comprising the population is always large.
The option c is not correct as the likelihood of selecting a representative is relatively not small rather it is large.
The option d is incorrect as the use of sampling is not appropriate in all of these situations.

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Jackie is painting rocks. She paints 7 rocks blue. She paints fewer than 3 rocks red. How many rocks does jackie paint in all?

Salsk061 [2.6K]

Answer:

9 rocks

Step-by-step explanation:

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3 years ago

How many different four-digit numbers can be made using the digits 1, 2, 3, 4, 5, 6 if no digit can be used more than once?

Alexandra [31]

In the first digit, there are 6 possibilities. In the second, there are 5, because you can't use the digit you used before. In the third, there are 4, and in the fourth, there are 3. So,

6*5*4*3=360

There are 360 different possible four-digit numbers

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3 years ago

Angles 1 and 2 are supplementary. 2 lines intersect to form angles 1 and 2. Which equation represents the relationship between t

mamaluj [8]

Answer:

$\angle 1 + \angle 2 = 180^o$

Step-by-step explanation:

Given

$\angle 1$ and $\angle 2$

Required

The relationship between them $\angle 1$ and $\angle 2$

From the question, we understand that $\angle 1$ and $\angle 2$ are supplementary

Supplementary angles add up to 180.

So, the relationship between $\angle 1$ and $\angle 2$ is:

$\angle 1 + \angle 2 = 180^o$

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3 years ago

A train leaves Boston at noon going to NYC at a speed of 60 mph. Two hours later, an express train leaves NYC going to Boston at

lana66690 [7]

Train A: Speed of 60 mph. (1 mile per minute)

Train B: Speed of 90 mph. (1.5 miles per minute)

after 2 hours: (2:00)

Train A has gone 120 miles. (half-way mark)

Train B has gone 0 miles.

Hour 2:48: (2:48)

Train A has gone 168 miles.

Train B has gone 72 miles.

72 ----><---------------168

At 2:48 P.M the two will meet. 72+168=240

I hope this helps! :)

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2 years ago

Mark bought two candy bars and a soda for $3.96. If each candy bar cost $1.10 how much did the soda cost?

stiv31 [10]

Answer:

$1.76

Step-by-step explanation:

$1.10+$1.10 = $2.2

$3.96 - $2.2 = $1.76

6 0

2 years ago