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3 years ago

Whats the square root of 34 in simplest form?

Mathematics

1 answer:

natali 33 [55]3 years ago

7 0

That is in its simpist form already, trick question.

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10.

Kay [80]

Answer:

$\frac{(82)(2.4)^2}{104.139} \leq \sigma^2 \leq \frac{(82)(2.4)^2}{62.132}$

$4.535 \leq \sigma^2 \leq 7.602$

Now we just take square root on both sides of the interval and we got:

$2.2 \leq \sigma \leq 2.8$

And the best option would be:

A. 2.2 < σ < 2.8

Step-by-step explanation:

Information provided

$\bar X=32.1$ represent the sample mean

$\mu$ population mean

s=2.4 represent the sample standard deviation

n=83 represent the sample size

Confidence interval

The confidence interval for the population variance is given by the following formula:

$\frac{(n-1)s^2}{\chi^2_{\alpha/2}} \leq \sigma^2 \leq \frac{(n-1)s^2}{\chi^2_{1-\alpha/2}}$

The degrees of freedom are given by:

$df=n-1=83-1=82$

The Confidence is given by 0.90 or 90%, the value of $\alpha=0.1$ and $\alpha/2 =0.05$ , the critical values for this case are:

$\chi^2_{\alpha/2}=62.132$

$\chi^2_{1- \alpha/2}=104.139$

And replacing into the formula for the interval we got:

$\frac{(82)(2.4)^2}{104.139} \leq \sigma^2 \leq \frac{(82)(2.4)^2}{62.132}$

$4.535 \leq \sigma^2 \leq 7.602$

Now we just take square root on both sides of the interval and we got:

$2.2 \leq \sigma \leq 2.8$

And the best option would be:

A. 2.2 < σ < 2.8

3 0

3 years ago

The graph shows the functions f(x), p(x), and g(x):

viktelen [127]

Part A: What is the solution to the pair of equations represented by p(x) and f(x)? (3 points)
(3,1)
Part B: Write any two solutions for f(x). (3 points)
(0,-5) (1, -3)
Part C: What is the solution to the equation p(x) = g(x)? Justify your answer. (4 points)
(1,3)
because they intersect at that point

8 0

3 years ago

Will give brainliest!!

Karolina [17]

20ft, just multiply the width, height, and length, which is 2x2x5

3 0

3 years ago

Answer plsssssssssssssss

timama [110]

Answer:

no solutions

Step-by-step explanation:

there are no solutions

4 0

3 years ago

Read 2 more answers

B. Interpretation Answer the following. 1. Focus What are the four characteristics of the Plains Indians' lives?

kirill [66]

The normally had small extended families.
They were a hunter-gatherer community
Sioux and Cheyenne tribes hunted buffalo
They were nomadic and almost completely dependent on buffalo

4 0

3 years ago