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Nataly_w [17]
3 years ago
6

Find the gcf of 10 , 100 , 250

Mathematics
1 answer:
Katarina [22]3 years ago
8 0
Im pretty sure its 10
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The proportion of junior executives leaving large manufacturing companies within three years is to be estimated within 3 percent
Leona [35]

Answer: 709

Step-by-step explanation:

The formulas we use to find the required sample size :-

1. n=(\dfrac{z^*\cdot \sigma}{E})^2

, where \sigma = population standard deviation,

E = Margin of error .

z* = Critical value

2. n=p(1-p)(\dfrac{z^*}{E})^2 , where p= prior estimate of population proportion.

3. If prior estimate of population proportion is unavailable , then we take p= 0.5 and the formula becomes

n=0.25(\dfrac{z^*}{E})^2

Given : Margin of error : E= 3% =0.03

Critical value for 95% confidence interval = z*= 1.96

A study conducted several years ago revealed that the percent of junior executives leaving within three years was 21%.

i.e. p=0.21

Then by formula 2., the required sample size will be :

n=0.21(1-0.21)(\dfrac{1.96}{0.03})^2

n=0.21(0.79)(65.3333)^2

n=(0.1659)(4268.44008889)\\\\ n=708.134933333\approx709 [Round to the next integer.]

Hence, the required sample size of junior executives should be studied = 709

4 0
3 years ago
I NEED HELP PLEASE :(
exis [7]
Answer: 3rd choice is the right answer
4 0
3 years ago
The average rate of change from x = -2 to x = 6 for the function shown in the graph is______?
WITCHER [35]

Answer: -1/2

Step-by-step explanation:

3 0
3 years ago
A jar contains 5 red marbles, 10 blue marbles, 1 white marble, 6 black marbles, and 3 yellow marbles. Determine the probability
Oliga [24]

Answer:

so if we make a pie chart

there's 25 marbles

it'll be 1/25 or 4% chance

a red marble is 5/ 25 or a 20% chance

say if you replace the white on the chances of you getting red will be 24% or 6/25 chance of getting red

5 0
3 years ago
Please answer correctly
marysya [2.9K]

Answer:

Option (1)

Step-by-step explanation:

We need a recursive formula.

  • Eliminate option 3.

The common ratio is 2.

  • Eliminate options 2 and 4.

So, the answer is option 1.

3 0
1 year ago
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