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slega [8]
2 years ago
11

According to the 68-95-99.7% rule, what percentage of the data from a bell-shaped distribution will be within one standard devia

tion of the mean
Mathematics
1 answer:
mote1985 [20]2 years ago
5 0

Answer:

68% of the distribution will be within one standard deviation of the mean

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

Bell-shaped = Normally distributed.

This means that 68% of the distribution will be within one standard deviation of the mean

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Can someone help me
Alex_Xolod [135]

Answer:

Su=10

Explaination:

So from s to u on the nunebr line is worth 2x-12. So what is s to u worth? Well. S to t on the number line = x-7. T to u =6. And 2 x is worth 12 more than s to u, using th e expression. X has to be at least 8 because otherwise the x-7 wouldn't work, and u might get s to u = 0 or a negative number.

Say x was 13, then 13 - 7 =6. So S to t =6. And r to u =6. So s to u =12. (6+6). Then check if the expression fits this answer of 12. 2x - 12. 2x = 26. 26-12=14, which doesn't match.

Let's try 14. 14-7=7. Then s to u = 7+6=13. The expression: 2x= 28. 28-12=16. 13 and 16 dont match. So we have got further away from what we need. Why don't we try going in the opposite direction. Rather than testing 13 and +1, let's now - 1 and try 12.

If x=12, then s to t =12-7=5. And s to u =6+5=11. The expression: 2x=24.-12=12. We are very close now with 11 and 12.

Lets test x=11!

S to t = 11-7=4. 4+6=10. So s to u =10.

2x=22. 22-12=10. So the expression works and the number line measurements.

The answer is su=10 and x=11.

3 0
3 years ago
Someone please show me how to find B, thanks.
liq [111]
Hello,

Answer B.

Using Thales, 6/9=B/8==>B=48/9=5+1/3.
8 0
3 years ago
Read 2 more answers
The height of a cuboid is 12cm,the volume is 1200cm3 find the side of the of a cuboid​
Tasya [4]

Answer:

area=volume/height

area=1200cm cubed/12cm

area=100cm squared

5 0
2 years ago
If(X+1)and(3x+2)are factors of 3x^3+2x^2-3x-2, find the third factor​
Lelechka [254]

Answer:

3  {x}^{3}  + 2 {x}^{2}  - 3x - 2 =  \\  {x}^{2} (3x + 2) - 1 \times (3x + 2) =  \\ (3x + 2)( {x}^{2}  - 1) = (3x + 2)(x - 1)(x + 1)

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2 years ago
Write a word problem that can be solved by dividing 10 by 2/3 include the answer to the problem
agasfer [191]

Answer:  

Step-by-step explanation:

you need to divide 10 by 2/3.

Katty has 10/1 tanks of gas fuel in his truck. He uses 2/3 of it each day.

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