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4 years ago

Perpendicular to x = 3Passes through (-3,-1)

Mathematics

1 answer:

fiasKO [112]4 years ago

6 0

Answer:

The answer in the media.Good luck!

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The distribution of the number of siblings for students at a large high school is skewed to the right with mean 1.8 siblings and

morpeh [17]

Answer:

E. Approximately normal with standard deviation less than 0.7 sibling

Step-by-step explanation:

To solve this question, we use the Central Limit theorem.

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , a large sample size can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$

In this problem, we have that:

Skewed right distribution, with $\mu = 1.8, \sigma = 0.7$

Sampling distribution of the sample mean for samples of size 100

By the Central Limit Theorem, they will be approximately normal, with mean $\mu = 1.8$ , and standard deviation $s = \frac{0.7}{\sqrt{100}} = 0.07$

So the correct answer is:

E. Approximately normal with standard deviation less than 0.7 sibling

4 0

3 years ago

Kathleen and Arnob both run from the park entrance along a loop. Kathleen starts walking from the park entrance and gets a 5-mil

Ilia_Sergeevich [38]

For this case, the first thing we must do is define variables.

We have then:

x: time in minutes

y: distance traveled.

We then have the following equations:

For Kathleen:

$y = (\frac{1}{15}) x + 5$

For Arnob:

$y = (\frac{2}{15}) x$

By the time Arnob reaches Kathleen we have:

$(\frac{1}{15}) x + 5 = (\frac{2}{15}) x$

From here, we clear the value of x.

We have then:

$(\frac{2}{15}) x - (\frac{1}{15}) x = 5$

$(\frac{1}{15}) x = 5\\x = (15) * (5)\\x = 75 min$

Answer:

it takes Arnob to catch up to Kathleen 75 minutes:

d. 75

5 0

3 years ago

Read 2 more answers

How do i solve 4/a-2/b+1/4?

Pepsi [2]

This is as simplified as it gets since there are none of the same variables.

7 0

3 years ago

What is the volume of the following solid figure? 21 in cubed 42 inches cubed 56 in cubed 6 in cubed.

olya-2409 [2.1K]

Specifically, that is a triangular right regular prism.
Prism Volume = Area of Base • Height
The base area = (1/2) * 3 * 2 = 3 inchesHeight is 7 inches.Volume = 3 * 7 inches = 21 cubic inchesThe first answer is the correct one.
Source: http://www.1728.org/volprism.htm

6 0

3 years ago

Read 2 more answers

Is 3 to the negative 1 power times 3 to the negative 1 power equal to 3 to the 1 power?

iren2701 [21]

To make the exponent positive, make a fraction. 1/3 * 1/3. This is 0.1 repeating. 3^1 is 3. So the answer is no.

3 0

4 years ago

Perpendicular to x = 3Passes through (-3,-1)​

Perpendicular to x = 3Passes through (-3,-1)