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kompoz [17]
3 years ago
15

A sample of a population of 100 students is collected. Five students playing dodge ball at recess are asked if they prefer playi

ng outdoors or indoors. Which of the following is not true of the sample?
The sample is not large enough.
The question is biased.
The sample is not random.
The students are not part of the population.
Mathematics
1 answer:
SOVA2 [1]3 years ago
7 0

Answer:

D. The students are not part of the population

Step-by-step explanation:

The first three options are true of this sample. D is the only option that is not true.

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ddd [48]

Answer:

K = \frac{P}{TV}

Step-by-step explanation:

P = KTV

Divide both sides by TV

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5 0
2 years ago
Twelve Divided by the sum of a number and five
fredd [130]
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A hose fills a hot tub at a rate of 2.09 gallons per minute. How many hours will it take to fill a 327 gallon hot tub?
enyata [817]

Answer:

2.60 hours

Step-by-step explanation:

A hose fills a hot tub at a rate of ,

2.09 gallons ⇒ 1 minute

Now we have to find the time which takes to fill a 327 gallon hot tub.

For that, let the unknown time be x.

So,

2.09 gallons ⇒ 1 minute

327 gallon    ⇒  x

Use cross multiplication to find the value of x.

2.09 x  =  327 × 1

2.09x   = 327

x   = 327 ÷ 2.09

x   = 156.45 min

Therefore, it takes 156.45 minutes.

But the question is asked for hours.

So,

Let us solve now.

156.45 ÷ 60 = 2.60 hours

Let me know if you have any other questions :-)

7 0
2 years ago
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Sally invests £8000 in a savings account.
lisabon 2012 [21]

Answer:

£8934.24

Step-by-step explanation:

100 + 2.8 = 102.8

102.8 / 100 = 1.028

8000 x 1.028^{4} = £8934.24

3 0
2 years ago
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