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Temka [501]
2 years ago
15

whether the distribution of the mean of a large number of independent, identically distributed variables. true or false

Mathematics
1 answer:
san4es73 [151]2 years ago
6 0

Answer:

The statement is false

Step-by-step explanation:

Given

See comment for complete statement

Required

Is the statement true or false

From central limit theorem, we understand that a distribution is approximately normal if the distribution takes a sample considered to be large enough from the population.

Also, the mean and the standard deviation are known.

However, the given statement implies that the distribution will be normal depending on an underlying distribution; this is false.

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Question :
Darya [45]

Answer:

1156

Step-by-step explanation:

We know that,

( a + b ) ² =  a² + 2ab + b²

We can follow the same method to find the value of this.

12² + 22²

( 12 + 22 ) ²

12² + 2 × 12 × 22 + 22²

144 + 24 × 22 + 484

144 + 528 + 484

672 + 484

<u>1156</u>

Let me know if you have any other questions. :)

6 0
2 years ago
Sarah enjoys cutting lawns and charges $20 for each small lawn and $30 for each large lawn. Sarah earned $140 for mowing 6 yards
saul85 [17]

x+y=6 and 20x+30y=140 can be used to determine the number of each type of lawn mowed by Sarah.

Step-by-step explanation:

Given,

Charges for cutting small lawns =$20

Charges for cutting large lawns = $30

Total yards mowed = 6

Total amount earned = $140

According to given statement;

x+y=6    Eqn 1

20x+30y=140    Eqn 2

x+y=6 and 20x+30y=140 can be used to determine the number of each type of lawn mowed by Sarah.

Keywords: linear equation, addition

Learn more about linear equations at:

  • brainly.com/question/1597065
  • brainly.com/question/1598227

#LearnwithBrainly

7 0
3 years ago
What’s the distance between points (5,6) and (9,9)
iragen [17]

Answer:

(4,3)

the distance between x1 and x2 then y1 then y2

6 0
3 years ago
Find the distance from point A to the given line<br> A(2,-1), y=-x+4
BARSIC [14]

Answer:

using distance formula you can solve it

8 0
2 years ago
What are the solutions to x2 + 8x + 7 = 0
3241004551 [841]
X^2 + 8x + 7 = 0
x^2 + 7x + x + 7 = 0
x(x + 7) + 1(x + 7) = 0
(x + 7) (x + 1) = 0

x = -7      or       x = -1
6 0
3 years ago
Read 2 more answers
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