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3 years ago

Subscribe to AppleCommercial’s please it would mean a lot

Mathematics

2 answers:

luda_lava [24]3 years ago

6 0

Answer:

what's on the channel

Step-by-step explanation:

nexus9112 [7]3 years ago

6 0

Answer:

<h2>ok i'll subscribe </h2><h2><em>have a great day keep smiling be happy stay safe.</em></h2>

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How many people must be in the group so that the probability of any two people sharing the same birthday is ~50%?

My name is Ann [436]

12345678912334567890123546789

4 0

3 years ago

44.69 rounded to the nearest tenth

Romashka-Z-Leto [24]

The answer would be 44.7 not 44.5

3 0

3 years ago

What is an example of when you would want consistent data and, therefore, a small standard deviation?

steposvetlana [31]

Answer:

12.1, 12.3,12.4,12.5,12.3,12.1,12.2

$\bar X= \frac{12.1+12.3+12.4+12.5+12.3+12.1+12.2}{7}=12.271$

And for the standard deviation we can use the following formula:

$s= \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}$

And after replace we got:

$s = 0.1496$

And as we can ee we got a small value for the deviation <1 on this case.

Step-by-step explanation:

For example if we have the following data:

12.1, 12.3,12.4,12.5,12.3,12.1,12.2

We see that the data are similar for all the observations so we would expect a small standard deviation

If we calculate the sample mean we can use the following formula:

$\bar X=\frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X= \frac{12.1+12.3+12.4+12.5+12.3+12.1+12.2}{7}=12.271$

And for the standard deviation we can use the following formula:

$s= \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}$

And after replace we got:

$s = 0.1496$

And as we can ee we got a small value for the deviation <1 on this case.

8 0

3 years ago

18 is what percent of 20

nirvana33 [79]

18 is 90% of 20
That is the correct answer :)

7 0

3 years ago

There are 7 animals in the barn. Some are chickens and some are oxen. There are 20 legs in all. How many of each animal are ther

zubka84 [21]

Answer:

4 Chickens, 3 Oxen

Step-by-step explanation:

Given:

7 animals
20 legs total

Known:

Chickens have 2 legs
Oxens have 4 legs

Solution:

4 Chickens have a total of 8 legs (2 + 2 + 2 + 2)
3 Oxen have a total of 12 legs (4 + 4 + 4)
There are a total of 20 legs in total between the chickens and oxens.

5 0

2 years ago