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Flura [38]
3 years ago
15

Omg pls help it’s my last question and i’m timed

Mathematics
2 answers:
inysia [295]3 years ago
8 0
2 kilograms= 2000 grams
miv72 [106K]3 years ago
8 0

Answer:

2000

Step-by-step explanation:

there are 1000 grams in kilo so just multiply that by two to get your answer

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Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly hi
den301095 [7]

Answer:

Test scores of 10.2 or lower are significantly low.

Test scores of 31 or higher are significantly high

Step-by-step explanation:

Z-score:

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 = 20.6, \sigma = 5.2

Significantly low:

Z-scores of -2 or lower

So scores of X when Z = -2 or lower

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

-2 = \frac{X - 20.6}{5.2}

X - 20.6 = -2*5.2

X = 10.2

Test scores of 10.2 or lower are significantly low.

Significantly high:

Z-scores of 2 or higher

So scores of X when Z = 2 or higher

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

2 = \frac{X - 20.6}{5.2}

X - 20.6 = 2*5.2

X = 31

Test scores of 31 or higher are significantly high

6 0
3 years ago
What is the answer in substiution y=2x-9 and y=3
ale4655 [162]

Answer:

x= -6

Step-by-step explanation:

7 0
1 year ago
Read 2 more answers
PLEASE HELP!!!!! WORTH 40 POINTS
ivann1987 [24]

Answer:

B : 3/2

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Jill says that 12.6 repeating is less than 12.63. Explain her error.
cestrela7 [59]
12.6 repeating is the equivalent of 12.666666666666 and so on but if you rounded, it would be 12.67. So, compare 12.67 and 12.63. 12.67 is larger.
4 0
3 years ago
Read 2 more answers
What fraction is shown on the ruler below?<br> Correct answer pls!
IrinaK [193]

Answer:

The last one, I think

Step-by-step explanation:

4 0
3 years ago
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