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3 years ago

2.2 x 0.6 =??????????????

Mathematics

2 answers:

brilliants [131]3 years ago

7 0

1.32 is your answer.

kipiarov [429]3 years ago

3 0

I think its 1.32 but dont quote me on that

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The number of violent crimes committed in a day possesses a distribution with a mean of 2.2 crimes per day and a standard deviat

VARVARA [1.3K]

Answer:

$\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})$

And replacing we got:

$\mu_{\bar X}= 2.2$

$\sigma_{\bar X}= \frac{6}{\sqrt{100}}= 0.6$

Step-by-step explanation:

For this case we have the following info given:

$\mu = 2.2$ represent the mean

$\sigma = 6$ represent the deviation

We select a sample size of n=100. This sample is >30 so then we can use the central limit theorem. And we want to find the distribution for the sample mean and we know that the distribution is given by:

$\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})$

And replacing we got:

$\mu_{\bar X}= 2.2$

$\sigma_{\bar X}= \frac{6}{\sqrt{100}}= 0.6$

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4 years ago

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Natasha_Volkova [10]

Answer:

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step 2 is that you mutlply the 9 and 6 the 9 and 1 and the 9 with 2

after that then you add a 0 at the bottom and mutiply 3 and 6 3 and 1 and 3 and 2 once you do all of that then your answer should be 8,424

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

What is the value of X in the equation 3x(x-10)+7x=1/2(12x-4)

Flauer [41]

Answer:

x = 29/6 + 1/ 6 √817 or x = 29/ 6 + −1/ 6 √817

Step-by-step explanation:

3 0

3 years ago

What is the percent change if the student population of the school goes from 380 students to 335 students? Round to the nearest

lys-0071 [83]

Answer:

12% decrease

Step-by-step explanation:

I'm srry if I'm wrong but I'm 90-ish% its correct

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sesenic [268]

Answer:

3.7

Step-by-step explanation:

X-length

37-height

10-width

37 divided by 10=3.7

8 0

4 years ago