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3 years ago

Round 2481.65 to the neartheast 10 tenth

Mathematics

2 answers:

Alik [6]3 years ago

8 0

Answer:

2481.7

Step-by-step explanation:

Find the number in the tenth place

and look one place to the right for the rounding digit

. Round up if this number is greater than or equal to

and round down if it is less than

gregori [183]3 years ago

5 0

2481.7

^ is the tenth place.

The 5 would either round it up or down by one-tenth. Since we like big numbers... we'll round it to 7 from 6.

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The Acculturation Rating Scale for Mexican Americans (ARSMA) is a psychological testdeveloped to measure the degree of Mexican/S

maria [59]

Answer:

95% confidence interval for the mean ARSMA score for first-generation Mexican Americans

(2.13264 , 2.58736)

Step-by-step explanation:

Step(i):-

Mean of the Population = 3.0

Standard deviation of the Population = 0.8

Given Mean of the sample(x⁻ ) = 2.36

Standard deviation of the sample (S) = 0.8

size of the sample = 50

Level of significance =0.05

Degrees of freedom = n-1 = 50-1 = 49

$t_{\frac{0.05}{2} , 49} = 2.0096$

Step(ii):-

95% confidence interval for the mean ARSMA score for first-generation Mexican Americans

$(x^{-} - t_{(\frac{\alpha }{2},df )} \frac{S}{\sqrt{n} } , (x^{-} +t_{(\frac{\alpha }{2},df )} \frac{S}{\sqrt{n} })$

$(2.36 - 2.0096 \frac{0.8}{\sqrt{50} } , 2.36 +2.0096\frac{0.8}{\sqrt{50} })$

( 2.36 - 0.22736 , 2.36 + 0.22736)

(2.13264 , 2.58736)

Final answer:-

95% confidence interval for the mean ARSMA score for first-generation Mexican Americans

(2.13264 , 2.58736)

7 0

3 years ago

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algol13

It’s the strawberry and orange one

8 0

3 years ago

There are 3000 student in the school 30% of the student are girls find

rusak2 [61]

Step-by-step explanation:

3000
$3000 \div 30 = 1000$
$3000 \times 30 = 90000$

4 0

3 years ago

Read 2 more answers

PLease help, 100 points being given

kolezko [41]

Answer:

None of these

Step-by-step explanation:

$\frac{x^{2}}{2} +\frac{y^{2}}{3} =\frac{4sin^{2}t}{2} +\frac{9sin^{2}t}{3} =5\times sin^{2}t$

$x^{2}+y^{2}=13\sin^{2} t$

$3x^{2}+2y^{2}=30\sin^{2} t$

5 0

2 years ago

A company sells widgets. The amount of profit, y, made by the company, is related to

Burka [1]

Answer:

$1954

Step-by-step explanation:

Given the profit function expressed as;

y=-3x^2 + 197x – 1279

The profit is at maximum when dy/dx = 0

dy/dx = -6x + 197

0 = -6x+197

6x = 197

x = 197/6

x = 32.83

substitute 32.83 into the modeled function

y=-3x^2 + 197x – 1279

y -3(32.83)²+197(32.83) - 1279

y = -3(1,078.03)+6,467.51 - 1279

y = -3,234.09+6,467.51-1279

y = 1,954.42

hence the maximum amount of profit the company can make, to the nearest dollar is $1954

7 0

3 years ago