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Blababa [14]
3 years ago
7

20 POINTS PLS HELP ASAP

Mathematics
2 answers:
Cloud [144]3 years ago
8 0

Answer:

Lot C

Step-by-step explanation:

AysviL [449]3 years ago
7 0

Answer:

Lot B

Step-by-step explanation:

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Find the value of x<br> !!!
Marta_Voda [28]

Answer: <em>In the upper triangle  x = 33° and in the lower triangle x = 128°</em>

Step-by-step explanation:

<em><u>Upper triangle: </u></em>

<em>x = (180° - 114°) ÷ 2 = 33°</em>

<em><u>Lower triangle:</u></em>

<em>x = 180° - 26° × 2 = 128°</em>

3 0
3 years ago
i am thinking of two numbers. when i add my numbers, the answer is 1. when i multiply my numbers, the answer is 0.99. what are t
Arturiano [62]

Answer:

25

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If a point M at (3,-2) is reflected over the y=0 line,what would be the coordinates of M?
eduard

Answer: The coordinates of M would be (3,2).

Step-by-step explanation: I don't know how to explain but I'm 100% sure this is the answer. Your welcome :)

7 0
3 years ago
Heather, a sociology major is interested in studying mass media topics. She is particularly interested in the percentage of mass
Serhud [2]

Answer:

Null hypothesis:p=0.72  

Alternative hypothesis:p \neq 0.72

p_v = 2*P(|z|>z_{calc})

And the best answer for this case is:

C. p-value

Step-by-step explanation:

Data given and notation

n represent the random sample taken

\hat p estimated proportion of interest

p_o=0.72 is the value that we want to test

\alpha=0.05 represent the significance level

z would represent the statistic (variable of interest)

p_v represent the p value (variable of interest)  

Concepts and formulas to use  

We need to conduct a hypothesis in order to test the claim that the true proportion i 0.72 or no.:  

Null hypothesis:p=0.72  

Alternative hypothesis:p \neq 0.72  

When we conduct a proportion test we need to use the z statistic, and the is given by:  

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

The One-Sample Proportion Test is used to assess whether a population proportion \hat p is significantly different from a hypothesized value p_o.

For this case the only probability that can be calculated from the statistic calculated is the p value given by:

p_v = 2*P(|z|>z_{calc})

And the best answer for this case is:

C. p-value

3 0
2 years ago
Help with this question
Liula [17]

Answer:

what are the asking for?

4 0
3 years ago
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