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faust18 [17]
2 years ago
10

© Suppose you did not know that x had a normal distribution. Would you be

Mathematics
1 answer:
Irina-Kira [14]2 years ago
6 0

Answer:

No.

Step-by-step explanation:

The central Limit Theorem states that the sample size must be greater than 30 for an approximate normal distribution.

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A square piece of cheese covers 8 square inches of a plate. What is the approximate length of one side of the cheese? Approximat
Maksim231197 [3]
The side length is the square root of 8. Because the square has 4 equal sides, the side lengths must be equal. So the answer is approximately 2.83.
8 0
3 years ago
Can someone help me
pantera1 [17]

Step-by-step explanation:

I guess, the problem is to understand :

what means "average" ?

well, the average of a defined set of data points is the sum of the data divided by the number of data points (or samples).

that way you get a mean value for each time the system is "measured" (a data point is created).

each new measurement / data point changes the mean value (or average).

this is used all the time - in sports statistics (e.g. the average score of a team), in daily life (like the average height of a human being that defines sizes of clothes, beds, chairs, tables, even the typical height of ceilings and so on).

the average of these 8 data points is therefore :

(36+37+34+23+47+27+31+21)/8 = 256/8 = 32

so, if he wants to raise his average score to 35 with the results of the next 2 games, this has 2 things to be considered :

1. the number of days points will be then 8+2=10 (and not just 8).

2. we need to add 2 data points, so that the sum of all 10 data points divided by 10 is then 35.

(36+37+34+23+47+27+31+21+x+y)/10 = 35

(36+37+34+23+47+27+31+21+x+y) = 350

x + y = 350 - 256 = 94

that means, he has to score a total of 94 points in the next 2 games.

it does not matter, how many in any single game, as long as the sum of both games is 94.

since the question is phrased "how many in each of the next 2 games", we simply take the target average of these 2 games.

remember, sum/amount = 94/2 = 47.

so, he would have to score 47 points in each of the next 2 games to raise his general average score to 35.

7 0
2 years ago
How would I calculate/measure angles without a protracter?
atroni [7]

Answer:

you would calculate angles with a protractor by using degrees.

Step-by-step explanation:

the center would be put at one corner and then u measure the side you want to know the angle of. hope this helped.

4 0
3 years ago
Read 2 more answers
Help Plzz 40 points!! Solve<br><br> 5= 1/5x -3<br><br> ENTER ANSWER PLZZ THANKS!!
NeTakaya

Answer:

x = 40

Step-by-step explanation:

5= 1/5x -3

Add 3 to each side

5+3= 1/5x -3+3

8 = 1/5x

Multiply by 5 to isolate x

5*8 = 1/5x *5

40 =x

5 0
3 years ago
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Simplify the expression:<br> 10x–6x2+6x2+5
marta [7]

10x + 9

because the -6x and positive 6x cancel out and all you have left is 2+2+5 and 10x

6 0
3 years ago
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