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Westkost [7]
2 years ago
10

Serect the correct answer.

Mathematics
1 answer:
Debora [2.8K]2 years ago
8 0

Answer:

m = 2d + 15

m = d + 22

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All I can see is the equation. What is it asking?
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3 years ago
Each year, more than 2 million people in the United States become infected with bacteria that are resistant to antibiotics. In p
Olegator [25]

Answer:

Reject <em>H</em>₀. There is a significant difference in drug resistance between the two states.

Step-by-step explanation:

In this case we need to determine whether the data suggest a statistically significant difference between the proportions of drug-resistant cases in the two states.

The significance level of the test is, <em>α</em> = 0.02.

(1)

The hypothesis can be defined as follows:  

<em>H</em>₀: There is no difference between the proportions of drug-resistant cases in the two states, i.e. p_{1} - p_{2}=  0.  

<em>Hₐ</em>: There is a statistically significant difference between the proportions of drug-resistant cases in the two states, i.e. p_{1} - p_{2}\neq  0.  

(2)

Compute the sample proportions and total proportion as follows:

\hat p_{1}=\frac{12}{189}=0.063\\\\\hat p_{2}=\frac{8}{429}=0.019\\\\\hat p=\frac{12+8}{189+429}=0.032\\

Compute the test statistic value as follows:

Z=\frac{\hat p_{1}-\hat p_{2}}{\sqrt{\hat p(1-\hat p)\times [\frac{1}{n_{1}}+\frac{1}{n_{2}}]}}

   =\frac{0.063-0.019}{\sqrt{0.032(1-0.032)\times [\frac{1}{189}+\frac{1}{429}]}}\\\\=2.86

The test statistic value is 2.86.

(3)

The decision rule is:

The null hypothesis will be rejected if the p-value of the test is less than the significance level.

Compute the p-value as follows:

p-value=2\cdot P(Z>2.86)=2\times 0.00212=0.00424

<em>p</em>-value = 0.00424 < <em>α</em> = 0.02.

The null hypothesis will be rejected at 0.02 significance level.

Reject <em>H</em>₀. There is a significant difference in drug resistance between the two states.

7 0
3 years ago
Find the measure of ∠C if
V125BC [204]
(32x+20) + (72x+20) + (52x+40) + (32x+10)=180 \\ 32x+72x+52x+32x +20+20+40+10 =180 \\ 188x+90=180 \\ -90  \\ 188x=90 \\ /188 \\ x=0.478&#10;
then 52(0.478)+40 \\ 24.856+40=64.856&#10;
∠C = 64.856
7 0
2 years ago
Read 2 more answers
Which is an exponential decay function
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Answer:

Step-by-step explanation:

The last answer choice is the correct one.  The common ratio here is 0.7, which is between 0 and 1, an important criterion for recognizing an exponential decal function.  Every time x increases, f(x) will decrease.

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Answer:

c

Step-by-step explanation:

edge 2020-2021 <3

( ilysm and im so proud of everything you've done have an amazing day )

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