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kondor19780726 [428]
3 years ago
11

Express 0.2826 as a fraction

Mathematics
2 answers:
AlladinOne [14]3 years ago
5 0
\frac{1413}{5000} is your answer. Hope this helps :D
nekit [7.7K]3 years ago
3 0
<span>1413/5000 would be your answer I think!!! :D :)</span><span>
</span>
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Kitty [74]
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3 years ago
48. Reading Rates The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words per minute a
son4ous [18]

Answer:

The reading speed of a sixth-grader whose reading speed is at the 90th percentile is 155.72 words per minute.

Step-by-step explanation:

Problems of normally distributed samples are 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.

In this problem, we have that:

\mu = 125, \sigma = 24

What is the reading speed of a sixth-grader whose reading speed is at the 90th percentile

This is the value of X when Z has a pvalue of 0.9. So it is X when Z = 1.28.

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

1.28 = \frac{X - 125}{24}

X - 125 = 1.28*24

X = 155.72

The reading speed of a sixth-grader whose reading speed is at the 90th percentile is 155.72 words per minute.

4 0
3 years ago
Read 2 more answers
Find the greatest common factor of the following monomial.<br> 37x^3y^6 x^6y^2
nordsb [41]
<span>37x^3y^6 and x^6y^2
</span>greatest common factor: x^3y^2
7 0
3 years ago
How do you solve what is 30% of $240
DerKrebs [107]
The Answer would be x=72. Why? Because \frac{x}{240} =  \frac{30}{100}.   Fraction  \frac{30}{100} is your %.  You Cross multiply 240 * 30 = 100x
240 time 30 = 7200. you want x to  be alone so you do 7200 divided by 100 equaling 72. So you get x=72. 
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3 years ago
GUYS IM GONNA CRY BECAUSE I SUCK AT ANSWERING WORD PROBLEMS SO PLS HELP ME I'll give u brainliest a thanks and 5 starss, Sorry t
Dmitrij [34]
Vas happenin!!


The last option is correct… She flipped the Y values and the X values it would be 4-12÷9-7

Hope this helps

-Zayn Malik
4 0
3 years ago
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