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tiny-mole [99]
3 years ago
11

HEY YOU! YEAH, YOU! WILLING TO HELP OUT A FELLOW HONORS STUDENT? IF SO, ANSWER THIS. I WILL MARK BRAINLIEST...!

Mathematics
1 answer:
Digiron [165]3 years ago
8 0

Answer:

The answer is (2,1)

Step-by-step explanation:

You might be interested in
Evaluate <br><br> 0<br> ∫ ( 3^3 - 5^2) dx <br> -2
Jobisdone [24]
3^3 = 27
5^2 = 25
27 - 25 = 2

integral of 2 = 2x

(2x) evaluated from -2 to 0
= (0) - (2(-2)) = -(-4) = 4

If you did not make any mistakes in typing your question
the answer would be 4
4 0
3 years ago
Use the information provided to determine a 95% confidence interval for the population variance. A researcher was interested in
Leno4ka [110]

Answer:

The 95% confidence interval for the population variance is (8.80, 32.45).

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for the population variance is given as follows:

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

It is provided that:

<em>n</em> = 20

<em>s</em> = 3.9

Confidence level = 95%

⇒ <em>α</em> = 0.05

Compute the critical values of Chi-square:

\chi^{2}_{\alpha/2, (n-1)}=\chi^{2}_{0.05/2, (20-1)}=\chi^{2}_{0.025,19}=32.852\\\\\chi^{2}_{1-\alpha/2, (n-1)}=\chi^{2}_{1-0.05/2, (20-1)}=\chi^{2}_{0.975,19}=8.907

*Use a Chi-square table.

Compute the 95% confidence interval for the population variance as follows:

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

\frac{(20-1)\cdot (3.9)^{2}}{32.852}\leq \sigma^{2}\leq \frac{(20-1)\cdot (3.9)^{2}}{8.907}\\\\8.7967\leq \sigma^{2}\leq 32.4453\\\\8.80\leq \sigma^{2}\leq 32.45

Thus, the 95% confidence interval for the population variance is (8.80, 32.45).

4 0
3 years ago
Need to know the answer for this one , help
k0ka [10]

Answer:

Choice D.

Step-by-step explanation:

The range is the set of all y-coordinates of the points in the graph.

The graph is a wavy function that has a maximum y-coordinate of 1 and a minimum y-coordinate of -1. The y-coordinates can also be all numbers between -1 and 1. Choice A. is only the two numbers -1 and 1. That is not correct since the range comprises the numbers -1, 1, and all numbers in between -1 and 1.

Answer: Choice D.

7 0
3 years ago
Read 2 more answers
Is the length of your classroom greater than or less than one kilometer?
Y_Kistochka [10]
That would depend on the size of your classroom. but, typically the answer is no
3 0
3 years ago
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HELP PLEASE!<br><br><br> What is the coefficient of the term of degree 4 in this polynomial below?
Eddi Din [679]

Answer:

2

Step-by-step explanation:

The term of degree 4 is the term with the exponent of 4

2x^4

The coefficient is the number out in front

2x^4 has a coefficient of 2

8 0
3 years ago
Read 2 more answers
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