3 years ago

Write two different ways to decompose 6/10 into a sum

1 answer:

8 0

3/10 + 3/10

2/10 + 2/10 + 2/10

5/10 + 1/10

6/20 + 6/20

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Alekssandra [29.7K]

The probability that a data value is between 54 and 66 is 81.9%

z score is used to determine by how many standard deviations the raw score is above or below the mean.

The z score is given by:

$z = \frac{x-\mu}{\sigma} \\\\where\ x=raw\ score,\mu=mean,\sigma=standard\ deviation$

Given that μ = 62, σ = 4

For x = 54:

$z=\frac{54-62}{4}=-2$

For x = 66:

$z=\frac{66-62}{4}=1$

P(54 < x < 66) = P(-2 < z < 1) = P(z < 1) - P(z < -2) = 0.8413 - 0.0228 = 81.9%

The probability that a data value is between 54 and 66 is 81.9%

Find out more on z score at: brainly.com/question/25638875

3 0

2 years ago

castortr0y [4]

Simple...

you have: 6a+3b-8

a=4 and b=5

Plug in what you know-->>

6(4)+3(5)-8

24+15-8

39-8

31

Thus, your answer.

5 0

3 years ago

Shalnov [3]

Your answer is "x=3"!

8 0

3 years ago

solong [7]

9x8y12 it a lot of work to do so I don't want to type how to do the problem

5 0

3 years ago

shutvik [7]

1. w= 52
2. x= 5
3. n=1.4
4. x= -28/9 or x=-3.1

5 0

3 years ago