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Sergeu [11.5K]
3 years ago
10

What is the answer to 8)555 with the remainder and this is division.

Mathematics
1 answer:
Bumek [7]3 years ago
8 0

Answer:

69 <-- quotient

 ---

Step-by-step explanation:

8)555

 48

 --

  75

  72

  --

   3 <-- remainder

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Pedro charged $933 to his credit card. Even after the cost of his next
crimeas [40]

Answer:

b

Step-by-step explanation:

3 0
2 years ago
A random sample of 20 items is selected from a population. When computing a confidence interval for the population mean, what nu
kumpel [21]

Answer:

For this case since the sample size is lower than 30 , n =20<30, is not appropiate use the normal standard distribution to calculate the confidence interval for the mean, and then for this case is better use the t distribution since takes in count the correction factor to approximate the distribution of the true parameter.

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

\bar X represent the sample mean for the sample  

\mu population mean (variable of interest)

s represent the sample standard deviation

n represent the sample size  

Solution to the problem

For this case since the sample size is lower than 30 , n =20<30, is not appropiate use the normal standard distribution to calculate the confidence interval for the mean, and then for this case is better use the t distribution since takes in count the correction factor to approximate the distribution of the true parameter.

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

8 0
3 years ago
3000 exercise books are arranged into 3 piles. The first pile has 10 more books than the second pile. The number of books in the
pochemuha

Answer:

598 books

Step-by-step explanation:

Let x be the number of books in the 3rd pile. We will have then:

1st pile: 2x + 10

2nd pile: 2x

3rd pile: x

3000 = (2x + 10) + (2x) + (x)

3000 = 5x + 10

3000 - 10 = 5x

2990 = 5x

2990/5 = x

x = 598 books in the third pile!

We can check that:

3000 = 2*598 + 10 + 2*598 + 598

3000 = 1196 + 10 + 1196 + 598

3000 = 3000 CHECK!

7 0
2 years ago
At a football game, 45% were supporting the visiting team. If 946 people attending supported the home team, what was the total n
Oduvanchick [21]

Answer: 1720

Step-by-step explanation:

6 0
2 years ago
Four less than the product of one and a number X. <br><br><br> Please help me.
satela [25.4K]

Answer:

x−4

Step-by-step explanation:

3 0
3 years ago
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