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alisha [4.7K]
3 years ago
6

Jordan has

Mathematics
1 answer:
attashe74 [19]3 years ago
7 0
(1/3)/(5)= 1/3 * 1/5 = 1/15 of a chocolate bar each friend gets
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Someone please help me im in the middle of my quiz
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Answer:

the answer is B. you're welcome

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Please help asapppp!
m_a_m_a [10]

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triangles are equilateral, scalene, right, and isosceles

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2 years ago
A drug company is considering marketing a new local anesthetic. The effective time of the anesthetic the drug company is current
vladimir2022 [97]

Answer:

z=\frac{7.1-7.4}{\frac{1.2}{\sqrt{36}}}=-1.5  

Since is a left sided test the p value would be:  

p_v =P(z  

Comparing the p value and the significance level given \alpha=0.1 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, and the true mean is significantly lower than 7.4 minutes at 10% of significance

Step-by-step explanation:

Data given and notation  

\bar X=7.1 represent the sample mean    

\sigma=1.2 represent the population standard deviation

n=36 sample size  

\mu_o =7.4 represent the value that we want to test  

\alpha=0.1 represent the significance level for the hypothesis test.  

z would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the true mean i lower than 7.4, the system of hypothesis would be:  

Null hypothesis:\mu \geq 7.4  

Alternative hypothesis:\mu < 7.4  

The statistic is given by

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

Calculate the statistic  

We can replace in formula (1) the info given like this:  

z=\frac{7.1-7.4}{\frac{1.2}{\sqrt{36}}}=-1.5  

P-value  

Since is a left sided test the p value would be:  

p_v =P(z  

Conclusion  

Comparing the p value and the significance level given \alpha=0.1 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, and the true mean is significantly lower than 7.4 minutes at 10% of significance

6 0
3 years ago
Wat property is this x-10=15
leva [86]
X is 25 beceause 25-10=15



3 0
3 years ago
In ΔABC, m∠1=70° and m∠4=35°. What is m∠3?
11Alexandr11 [23.1K]

Answer:

75

Step-by-step explanation:

A triangle can only have 3 angles that add up to 180 degrees. Subtract 70 and 35 from 180 to get 75.

180=x+70+35

180-(70+35)=x

8 0
2 years ago
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