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irina [24]
3 years ago
14

Overview

Mathematics
1 answer:
MaRussiya [10]3 years ago
4 0

Answer:

20 292 02 202 202

Step-by-step explanation:

You might be interested in
Please solve the following question.
insens350 [35]

The confidence interval for the difference p1 - p2 of the population proportion is (0.063, 0.329)

<h3>How to determine the confidence interval?</h3>

The given parameters are:

n₁ = 93; n₂ = 80

p₁ = 0.814;  p₂ = 0.618

The critical value at 95% confidence interval is

z = ±1.96

So, we have:

CI = (p_1 - p_2) \pm z * \sqrt{\frac{p_1(1  - p_1}{n_1} + \frac{p_2(1 - p_2)}{n_2}}

Substitute known values in the above equation

CI = (0.814 - 0.618) \pm 1.96 * \sqrt{\frac{0.814 * (1  - 0.814)}{93} + \frac{0.618 * (1 - 0.618)}{80}}

Evaluate

CI = 0.196 \pm 1.96 * \sqrt{0.001628 + 0.00295095}

This gives

CI = 0.196 ± 0.133

Expand

CI = (0.196 - 0.133, 0.196 + 0.133)

Evaluate

CI = (0.063, 0.329)

Hence, the confidence interval is (0.063, 0.329)

Read more about confidence interval at:

brainly.com/question/15712887

#SPJ1

7 0
2 years ago
Q.2 The lengths of a triangle are 7 cm, 8 cm and 10 cm correct to the nearest cm. Work out maximum possible perimeter of the tri
masha68 [24]

Step-by-step explanation:

7+8+10=25cm is the possibile perimeter of this

triangle.

8 0
2 years ago
What is the length of this segment ?
scoundrel [369]
Looks like ti 1.75 in. Hope this helps and let me know if it does or im woong
6 0
3 years ago
4x-8+9-6x=3x+6 cual es el valor de la x?
GarryVolchara [31]

Answer:

El valor de x en esta ecuación es -1.

Step-by-step explanation:

4x - 8 + 9 - 6x = 3x + 6

En primer lugar, combinar términos similares en cada lado de la ecuación.

-2x + 1 = 3x + 6

A continuación, resta 3 veces en ambos lados de la ecuación.

-5x + 1 = 6

Ahora, resta 1 de ambos lados de la ecuación.

-5x = 5

Por último, divida por -5 en ambos lados de la ecuación.

x = -1

7 0
3 years ago
Please help (add work/reasoning if you can)
iris [78.8K]

Answer:

A

x + y >  - 9 \\  - 7 + ( - 2) >  - 9 \\  \\ 2x - 5y >  - 4 \\ 2( - 7) - 5( - 2)  \\  - 14 + 10 \\  >  - 4

5 0
3 years ago
Read 2 more answers
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