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olga2289 [7]
3 years ago
11

PLEASE HELP. i’ll give brainliest if you want!

Mathematics
2 answers:
vaieri [72.5K]3 years ago
4 0

Answer:

Dharma

Step-by-step explanation:

id love a brainliest also.. what subject is this and in which country??

hammer [34]3 years ago
3 0

Answer:

Dharma

Step-by-step explanation:

looked it up

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Anyone want to help me out on this question?
kvasek [131]
Answer:

i think it’s 2/7
5 0
3 years ago
Find the radius and diameter of a frisbee with a circumference of 11 pi inches.
nikdorinn [45]
Circumerence=2pir or dpi were r=radius and d=diameter
11pi=2pir
divid eobt sides by pi
11=2r
dvide 2
5.5=r

11pi=dpi
divide both sides by pi
11=d

diameter=11in
radius=5.5 in
6 0
3 years ago
Alexia is 13 years old. Camden is 11 years younger than Alexia and Jane is 1 years younger
mario62 [17]

Answer:

Jane is 1 years old.

Step-by-step explanation:

13 - 11 = 2

2 - 1 = 1

5 0
2 years ago
A random sample of 16 students selected from the student body of a large university had an average age of 25 years. We want to d
kenny6666 [7]

Answer:

z=\frac{25-24}{\frac{2}{\sqrt{16}}}=2    

p_v =2*P(Z>2)=0.0455  

If we compare the p value and the significance level given \alpha=0.05 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, and we can conclude that the true mean differs from 24 at 5% of significance

Step-by-step explanation:

Data given and notation  

\bar X=25 represent the sample mean

\sigma=2 represent the sample population deviation for the sample  

n=16 sample size  

\mu_o =24 represent the value that we want to test

\alpha=0.05 represent the significance level for the hypothesis test.  

t 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 is different from 24, the system of hypothesis would be:  

Null hypothesis:\mu = 24  

Alternative hypothesis:\mu \neq 24  

If we analyze the size for the sample is < 30 but we know the population deviation so is better apply a z test to compare the actual mean to the reference value, and the statistic is given by:  

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

z-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

Calculate the statistic

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

z=\frac{25-24}{\frac{2}{\sqrt{16}}}=2    

P-value

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

p_v =2*P(Z>2)=0.0455  

Conclusion  

If we compare the p value and the significance level given \alpha=0.05 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, and we can conclude that the true mean differs from 24 at 5% of significance

6 0
3 years ago
What percent 591 is of 2364?
Novosadov [1.4K]
Since percent means parts out of 100 then x/100=x%

the easy way is to do it is to divide 591 by 2364
591/2364=0.25
0.25/1 multiply by 100/100=25/100=25%

the answer is 25%

3 0
2 years ago
Read 2 more answers
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