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3 years ago

Please give me the correct answer

Mathematics

2 answers:

beks73 [17]3 years ago

5 0

Answer:

$8\cdot10^{6}$

Step-by-step explanation:

The answer is $8\cdot10^{6}$ because...

$8\cdot10^{1}$ = $80$

$8\cdot10^{2}$ = $800$

$8\cdot10^{3}$ = $8$ , $000$

$8\cdot10^{4}$ = $80$ , $000$

$8\cdot10^{5}$ = $800$ , $000$

$8\cdot10^{6}$ = $8$ , $000$ , $000$

Hope this helps! <3

Yuki888 [10]3 years ago

4 0

Answer:

800000

Step-by-step explanation:

you would divide 8 mil by 10

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Consider the following hypothesis test. H0: μ ≥ 55 Ha: μ < 55 A sample of 36 is used. Identify the p-value and state your con

Ket [755]

Answer:

Step-by-step explanation:

Given that:

$H_o: \mu \ge 55 \ \\ \\ H_1 : \mu < 55$

(a) For x = 54 and s = 5.3

The test statistics can be computed as:

$Z = \dfrac{\overline x - \mu}{\dfrac{s}{\sqrt{n}} }$

$Z = \dfrac{54-55}{\dfrac{5.3}{\sqrt{36}} }$

$Z = \dfrac{-1}{\dfrac{5.3}{6} }$

Z = -1.132

degree of freedom = n - 1

= 36 - 1

= 35

Using the Excel Formula:

P-Value = T.DIST(-1.132,35,1) = 0.1326

Decision: p-value is greater than significance level; do not reject $\mathbf{H_o}$

$Conclusion: \ There \ is \ insufficient \ evidence \ to \ conclude \ that \$ $\mu < 55$

For x = 53 and s = 4.6

The test statistics can be computed as:

$Z = \dfrac{\overline x - \mu}{\dfrac{s}{\sqrt{n}} }$

$Z = \dfrac{53-55}{\dfrac{4.6}{\sqrt{36}} }$

$Z = \dfrac{-2}{\dfrac{4.6}{6} }$

Z = -2.6087

degree of freedom = n - 1

= 36 - 1

= 35

Using the Excel Formula:

P-Value = T.DIST(-2.6087,35,1) =0.0066

Decision: p-value is < significance level; we reject the null hypothesis.

$Conclusion: \ There \ is \ sufficient \ evidence \ to \ conclude \ that$ $\mu < 55$

For x = 56 and s = 5.0

The test statistics can be computed as:

$Z = \dfrac{\overline x - \mu}{\dfrac{s}{\sqrt{n}} }$

$Z = \dfrac{56-55}{\dfrac{5.0}{\sqrt{36}} }$

Z = 1.2

degree of freedom = n - 1

= 36 - 1

= 35

Using the Excel Formula:

P-Value = T.DIST(1.2,35,1) = 0.88009

Decision: p-value is greater than significance level; do not reject $\mathbf{H_o}$

$Conclusion: \ There \ is \ insufficient \ evidence \ to \ conclude \ that \$ $\mu < 55$

6 0

3 years ago

What are the coordinates of the terminal point determined by t=20pi/3?

attashe74 [19]

Answer:

(- 1/2 , √3/2)

Step-by-step explanation:

t=20π/3

t' = 20π/3 - 6π = 2π/3 (120°) ... 2nd quadrant

If we start from (1,0) of unit circle, the coordinate of terminal point (x,y)

OF/OE = - cos 60° = x / 1 = - 1/2

FE/OE = sin 60° = y/1 = √3/2

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3 years ago

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mel-nik [20]

Answer: x = 1.28 or -1.28

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tamaranim1 [39]

U have a 90% chance of picking an orange marble, 10% of picking a different color

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Solve this inequality. 7.2-3w<4.5

zlopas [31]

Answer:

w>0.9

Step-by-step explanation:

7.2-3w<4.5

-7.2 -7.2

-3w<-2.7

/-3 /-3

w>0.9

The inequality switches when divided by a negative.

-hope it helps

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3 years ago

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Please give me the correct answer ​

Please give me the correct answer