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ddd [48]
3 years ago
7

Answer?...............

Mathematics
1 answer:
____ [38]3 years ago
6 0

Answer:

-9 1/4

Step-by-step explanation:

-5 3/4 = -23/4

3 1/2 = 7/2

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PLS ANSWER I WILL GIVE BRAINLIST AND A THANK YOU
romanna [79]

Answer:

x= 6 degrees

Step-by-step explanation:

x+x+54 = 90

2x+54 = 90

x= 90- 54 /2

x =6

7 0
3 years ago
Read 2 more answers
Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution
kotegsom [21]

Answer:

a) 0.025 level of significance

The calculated t - value t = 2.88 > 3.58 at 0.025 level of significance

Therefore null hypothesis is rejected

The data indicate that the dividend yield of all Australian bank stocks is higher than 7.9%

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Let 'x' has a normal distribution

Given sample size 'n' =11

Mean of the sample (x⁻)  = 9.89% = 0.0989

Standard deviation of the sample (s) = 2.3% = 0.023

Mean of the Population ' μ' = 7.9% = 0.079

<u><em>Step(ii):-</em></u>

<u><em>Null hypothesis:H₀:</em></u>' μ'  = 0.079

<u><em>Alternative Hypothesis</em></u> :μ'  > 0.079

Test statistic  

         t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }

        t = \frac{0.0989-0.079}{\frac{0.023}{\sqrt{11} } }

       t =  2.8840

Degrees of freedom

ν = n-1 = 11-1 =10

<em>Level of significance </em>

t_{\frac{\alpha }{2} } = t_{\frac{0.05}{2} } = t_{0.025}

t_{0.025} , 10 = 3.5814

<u><em>Step(iii):-</em></u>

<em>The calculated t - value t = 2.88 > 3.58 at 0.025 level of significance</em>

<em>Therefore null hypothesis is rejected</em>

<em>The data indicate that the dividend yield of all Australian bank stocks is higher than 7.9%</em>

 

                                 

7 0
3 years ago
Need help asap will give brainly
solong [7]

Answer:

the answer is D

Step-by-step explanation:

3 0
2 years ago
Find the length of a segment in the coordinate plane with endpoints (-1 , 2) and (4 , -6).​
Kobotan [32]

Answer:

7

Step-by-step explanation:

If you graph the points and count the points from one coordinate to the other, you get 7.

4 0
3 years ago
If the equation y = 1/3 x + 2 is changed to y = 3x + 2, what will be true about the graph of the equation?
Anna11 [10]
That would be D) The slope of the graph will be changed.
I hope it helps
4 0
3 years ago
Read 2 more answers
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