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Marina CMI [18]
3 years ago
14

Is 0.343434 an irrational or rational?

Mathematics
1 answer:
Yuki888 [10]3 years ago
8 0

Answer:

irrational

Step-by-step explanation:

a rational number is always a whole number

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According to General Social Survey of 2016, the population distribution of number of years of education for self-employed indivi
nikdorinn [45]

Answer:

a) Mean is 12.9

b) Standard Error

i) n = 16, Standard Error = 1

The shape of the sampling distribution means is not normal

ii) n = 49 , Standard Error = 0.5714285714

The shape of the sampling distribution means is normal

iii) n = 121, Standard Error = 0.3636363636

The shape of the sampling distribution means is normal

c)Describe the pattern as n increases

As the number of random samples(n) increases the value for the standard error decreases

Step-by-step explanation:

Central Limit Theorem states that

if the sample size is large (generally n ≥ 30), and the standard deviation of the population is finite, then the distribution of sample means will be approximately normal.

a) 16 residents

Mean = 12.9

Standard Error = Standard Deviation /√n

= 4/√16

= 4/4

= 1

n < 30, hence, The shape of the sampling distribution means is not normal

b) 49 residents

= Mean = 12.9

Standard Error = Standard Deviation /√n

= 4/√49

= 4/7

= 0.5714285714

n > 30, hence, The shape of the sampling distribution means is normal

c) 121 residents

Mean = 12.9

Standard Error = Standard Deviation /√n

= 4/√121

= 4/11

= 0.3636363636

n > 30, hence, The shape of the sampling distribution means is normal

Describe the pattern as n increases

As the number of random samples(n) increases the value for the standard error decreases

3 0
3 years ago
An irrational number between 5/7 and 7/9 is?
Alex17521 [72]

Answer:

Step-by-step explanation:

                                   -----------

5/7 can be written as 0.714285

                                   -----

7/9 can be written as 0.777

∴ An irrational number between 5/7 and 7/9 is 0.72010010001.....

or u ca write other numbers also like

0.73010203.....

0.74090080007.....

7 0
3 years ago
PLEASE HELP ME ASAP<br> A.20<br> B.22<br> C.7<br> D.11<br> Amosc pimp.chriz
Lady bird [3.3K]
It’s 11! The answer is D
4 0
2 years ago
If the simple interest on ​$7000 for 10 years is ​$6300​, then what is the interest​ rate? I will pick branliest answer with the
Roman55 [17]

Answer:

0.09

Step-by-step explanation:

So if you use the Simple interest equation it will begin with:
Interest total = Initial Amount of money x Interest rate per year x Years money is invested for.

Then substitute the values you have been given so:

$6300 = 7000 x Interest rate per year x 10.

This is simplifies to 6300 = 70,000 x Annual Interest rate

You can rearrange this to find the annual interest rate by dividing by 70,000:
\frac{6300}{70000} = Interest\ rate

Simplifying this would be:
\frac{63}{700}\\ = Interest rate.

The interest rate is 0.09.

8 0
1 year ago
Frank can buy red pens in boxes of 8 and blue pens in boxes of 10. He wants the same number of red pens as blue pens. Fill in th
Anarel [89]

Answer:

Frank must buy 2 pens to have equal number of each pens

8 0
3 years ago
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