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gizmo_the_mogwai [7]
2 years ago
6

I don't understand may you please help?

Mathematics
2 answers:
kotegsom [21]2 years ago
7 0
3/4 is not p. Because 3 out of the 4 quadrants is not purple——————
cupoosta [38]2 years ago
5 0
3/4 is not P. Because 3 out of the 4 quadrants is not purple.
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A rectangle with the length of 1/5 yard and the width of 2/3 yards
suter [353]

Answer:

Yeah she is right but its kinda hard to know wahat u want

Step-by-step explanation:

4 0
3 years ago
Which of these steps will eliminate a variable in this system?
PSYCHO15rus [73]
C. multiply the second equation by two. Then add the equations
3 0
3 years ago
Please answer number 3 I will give brainliest thank you!
vaieri [72.5K]

Answer:

Skewed to right

Step-by-step explanation:

there is no explanation, it just is, just like how 1+1 is 2

Brainleist! as you promised!

4 0
3 years ago
Read 2 more answers
A principal believes 50% of her music students reported their practice hours accurately. Based on that assumption, she ran 200 s
Alex17521 [72]

Answer:

C. unlikely

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

A probability is said to be extremely likely if it is 95% or higher, and extremely unlikely if it is 5% or lower. A probabilty higher than 50% and lower than 95% is said to be likely, and higher than 5% and lower than 50% is said to be unlikely.

In this problem, we have that:

\mu = 0.48, \sigma = 0.18

How likely is it that a single survey would return a mean of 30%?

We have to find the pvalue of Z when X = 0.30.

Z = \frac{X - \mu}{\sigma}

Z = \frac{0.30 - 0.48}{0.18}

Z = -1

Z = -1 has a pvalue of 0.1587.

So the correct answer is:

C. unlikely

4 0
3 years ago
Can anyone help me pls ( if you can, can you do it on paper and post it with the answer)
Alla [95]

Answer:

x = 6

Step-by-step explanation:

44 + 3x = 5x + 2x + 20 transfer like terms to the same side of the equation with the opposite sign:

44 - 20 = 5x + 2x - 3x add/subtract like terms

24 = 4x divide both side by 4

6 = x

8 0
2 years ago
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