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Anastaziya [24]
2 years ago
11

Can someone give the answer to question 2

Mathematics
1 answer:
Natasha_Volkova [10]2 years ago
3 0

Step-by-step explanation:

try doing a2+b2=c2 it will help

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Random samples of size 64 are taken from an infinite population whose mean and standard deviation are 24 and 6.4, respectively.
umka2103 [35]

Answer:

Mean 24, standard error 0.8

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation, also called standard error s = \frac{\sigma}{\sqrt{n}}

In this problem, we have that:

\mu = 24, \sigma = 6.4, n = 64

What are the mean and the standard error of the sample mean?

By the Central Limit Theorem, mean 24 and standard error s = \frac{6.4}{\sqrt{64}} = 0.8

7 0
2 years ago
Help me Please!!!!!!!​
Murljashka [212]

Answer:

\boxed{Option \ C}

Step-by-step explanation:

Sin \ Y = \frac{Opposite }{Hypotenuse } = \frac{XZ}{XY}

Cos \ Y = \frac{Adjacent}{Hypotenuse} = \frac{YZ}{XY}

Tan Y = \frac{opposite}{adjacent} = \frac{XZ}{ZY}

7 0
3 years ago
Read 2 more answers
A cube and the net for the cube are shown. <br><br> What is the surface area of this cube?
lozanna [386]
Ok, 6×25=150, since there are 6 sides, the answer is 150cm.
3 0
3 years ago
Cual es el valor de "x" en la siguiente operación? 2x+1=11
AURORKA [14]

Answer:

Subtract

1

1

1

from both sides of the equation

2

+

1

=

1

1

2

+

1

−

1

=

1

1

−

1

2

Simplify

3

Divide both sides of the equation by the same term

4

Simplify

Solution

=

5

Step-by-step explanation:

5 0
2 years ago
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The endpoints of a side of rectangle ABCD in the coordinate plane are at A(1,4) and
andrew-mc [135]

Answer:

<em>y = - x + 5 </em>

Step-by-step explanation:

A(1, 4)

B(4, 1)

m_{AB} = \frac{1-4}{4-1} = - 1

y - 1 = - 1 ( x - 4 )

<em>y = - x + 5</em>

6 0
2 years ago
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