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3 years ago

ANSWER QUICK

Mathematics

1 answer:

tresset_1 [31]3 years ago

4 0

Answer:

10%

Step-by-step explanation:

10% of 36 is 3.6 If you add 3.6 to 36 you get 39.6 hope you did good

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19. What percent of offspring will be blue eyed? 0% 25% 50% 100%

zloy xaker [14]

It is 0% Bc it’s not capital

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3 years ago

What are the solutions of the equation x4 – 5x2 – 36 = 0? Use factoring to solve.

pentagon [3]

Answer:

x=+/-3

Step-by-step explanation:

x^4-5x^2-36=0

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(x^2-9)(x^2+4)=0

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x^2-9=0 x^2+4=0

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3 years ago

Please answer (middle school) (probability)

Dafna11 [192]

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3 years ago

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What is the equation of the vertical line through (-8,5)(−8,5)left parenthesis, minus, 8, comma, 5, right parenthesis?

Vesna [10]

X = -8

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3 years ago

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

4 years ago