Does anyone know the answer to this help fast!

Answer:

8% of the kids are left-handed. I used 12/150 to yield 0.08 which equals 8%

Answer:

The best point estimate of the population proportion p is 0.0251.

The 99​% confidence interval for the proportion of adverse reactions is (0.0191, 0.0311).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of [tex]\pi[/tex], and a confidence level of [tex]1-\alpha[/tex], we have the following confidence interval of proportions.

[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]

In which

z is the zscore that has a pvalue of [tex]1 - \frac{\alpha}{2}[/tex].

In clinical​ trials, among 4547 patients treated with the​ drug, 114 developed the adverse reaction of nausea.

This means that [tex]n = 4547, \pi = \frac{114}{4547} = 0.0251[/tex]

The best point estimate of the population proportion p is 0.0251.

99% confidence level

So [tex]\alpha = 0.01[/tex], z is the value of Z that has a pvalue of [tex]1 - \frac{0.01}{2} = 0.995[/tex], so [tex]Z = 2.575[/tex].

The lower limit of this interval is:

[tex]\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.0251 - 2.575\sqrt{\frac{0.0251*0.9749}{4547}} = 0.0191[/tex]

The upper limit of this interval is:

[tex]\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.0251 + 2.575\sqrt{\frac{0.0251*0.9749}{4547}} = 0.0311[/tex]

The 99​% confidence interval for the proportion of adverse reactions is (0.0191, 0.0311).

Answer:

[tex]x=5\sqrt[3]{3}[/tex] or 7.21

Step-by-step explanation:

x³ = 375

You have to take the square root and have the index 3:

You have to have the index 3 because x is cubed and you have to get rid of the cubed sign since a normal square root is for when the exponent is 2:

[tex]\sqrt[3]{x^3} =\sqrt[3]{375} \\x=5\sqrt[3]{3}[/tex]

In decimal form (rounded to hundredths):

7.21

Answer:

1) 40

2) -11

Step-by-step explanation:

1.

5(3)+3(5)+2(3)+4

15+15+6+4

30+10 = 40

2.

6(3)-7(5)+2(3)

18-35+6

-17+6 = -11

Answer:

Rate of change = -1

Step-by-step explanation:

Given:

f(x) = -½(x + 2)² + 5

Required:

Average rate of change from x = -3 to x = 1

Solution:

Rate of change = [tex] \frac{f(b) - f(a)}{b - a} [/tex]

Where,

a = -3,

f(a) = f(-3) = -½(-3 + 2)² + 5 = -½(-1)² + 5 = 4.5

b = 1,

f(b) = f(1) = -½(1 + 2)² + 5 = -½(9) + 5 = 0.5

Plug in the values into the formula:

Rate of change = [tex] \frac{0.5 - 4.5}{1 - (-3)} [/tex]

Rate of change = [tex] \frac{-4}{4} [/tex]

Rate of change = -1

Answer:

A Nieves le quedan 57 cromos y a Ana 33.

Nieves ha ganado 47 cromos

Step-by-step explanation:

Para la primera partida, el cuadrado de los cromos de Nieves es de 100.

El cubo de 3 es 27. Nieves queda con 100-27 = 73 cromos

El cuadrado de 4 es 16. Nieves queda con 73-16 = 57 cromos

A Nieves le quedan 57 cromos

A Ana 90-57 = 33 cromos

Así, Nieves ha ganado 57-10 = 47 cromos

Answer:

x=2

Step-by-step explanation:

9

−

3

=

1

+

{\color{#c92786}{9-3x}}=1+x

9−3x=1+x

−

3

+

9

=

1

+

Answer:

2

Step-by-step explanation:

9-3x=1+x

9-3x-x=1

9-4x=1

4x=9-1

4x=8

x=8/4

x=2

Answer:

the x would equal 25 as 5x2 is 10 + 16x25 - 84 is 0.

Step-by-step explanation:

Answer:

2.8, –6

Step-by-step explanation:

The equation is already instandard form. Use the quadraticformula.5x2+16x−84=0x=−b±b2−4ac√2aSubstitute 5 for a, 16 for b,and −84 for c. Solve to getx=2.  8 or x=−  6.

Answer:

G. y = -[tex]\frac{1}{9}[/tex](x - 2)² -3

Step-by-step explanation:

There's this website called Desmos it has graphing calculators that will help you on these type of questions. This is not a random website so please trust me.

Answer:

✔ (3, –4)

✔ 35

Step-by-step explanation:

Answer:

1243.4 [tex]cm^{3}[/tex]

Step-by-step explanation:

Answer:

7.632169 units

Step-by-step explanation:

7.6 is radius Step-by-step explanation:

Answer:

An isosceles triangle.

Step-by-step explanation:

Answer:

right isosceles

Step-by-step explanation:

Answer:

2/3

Step-by-step explanation:

Step-by-step explanation:

Alternate and corresponding angles.

Answer:

corresponding angles

Step-by-step explanation:

it has six points

it is a corresponding angles

Answer:

JL = 38

Step-by-step explanation:

Since JK ≅ KL , then Δ JKL is isosceles and KM is a perpendicular bisector, so

JM = ML , that is

14x - 9 = 8x + 3 ( subtract 8x from both sides )

6x - 9 = 3 ( add 9 to both sides )

6x = 12 ( divide both sides by 6 )

x = 2

Then

JL = 14x - 9 + 8x + 3 = 22x - 6 = 22(2) - 6 = 44 - 6 = 38

Answer:

14

Step-by-step explanation:

Given the indicinal expression 64^5/6 + 27^2/3 - 81^3/4

According to indices;

[tex]a^{m/n} = (\sqrt[n]{a}) ^m[/tex]

Applying this to the question

[tex]64^{5/6} \\= (\sqrt[6]{64}) ^5\\= 2^5= 32[/tex]

Similarly

[tex]27^{2/3}\\= (\sqrt[3]{27}) ^2\\= 3^2\\= 9\\[/tex]

Also;

[tex]81^{3/4}\\= (\sqrt[4]{81}) ^3\\= 3^3\\= 27[/tex]

Substitute inti the original equation

64^5/6 + 27^2/3 - 81^3/4

= 32 + 9- 27

= 41 - 27

= 14

Hence the required answer is 14

Answer:

y = 3.4x

Step-by-step explanation:

34 minutes to 10 problems is a ratio of 3.4 minutes to 1 problem.

The ratio of minutes to problems is the constant of proportionality.

y = kx

y = 3.4x

Answer: y = 3.4x

Answer:

9) 5

10) 5x+2

11) -1

12) -x+6

Answer:

1 year= 12 months

1 months rent=1783

1783x12=21396

15 years = 180 months

the equation would be

1783x180=320940

or

21396x15= 320940

Answer:

c = 4

Step-by-step explanation:

hope this helps

Answer:

$8

Step-by-step explanation:

I got my answer of $8 because I knew that the total amount of money she was charged for late fees was $24, and she was charged for 3 late fees. Then, I did $24 divided by 3 late fees and got $8 per late fee as my answer.

24 divided by 3 equals 8.

Answer:

Susan should get a loan and jjustpay without stressing herself and calculaitingthis

Step-by-step explanation:

Answer:

2 liters

Step-by-step explanation:

There are 5 beakers in total, in which David adds 0.4 liters into each of them. To solve, multiply 5 with 0.4: 5 x 0.4 = 2.0 2.0 or 2 liters is your answer.

Answer:  2 liters

Step-by-step explanation:  There are 5 beakers in total, in which David adds 0.4 liters into each of them.  To solve, multiply 5 with 0.4: 5 x 0.4 = 2.0  

2.0 or 2 liters is your answer.

Answer:

b

Step-by-step explanation:

if the 2 is like this (x+2) it would move to the left but if its like this x+2 it would move up

Answer:

a = 15b

Step-by-step explanation:

It's given in the question that Alice has 15 times as many crayons as Bryan.

Let the number of crayons with Bryan = b

And the number of crayons with Alice = a

Therefore, equation representing the number of crayons with Alice will be,

a = 15b

Answer: the triangles should be 203.391 and the rectangle is 74.4 so in total it would be 481.182

Step-by-step explanation:

5:15pm was the start time.