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UNO [17]
3 years ago
12

How do I figure this out

Mathematics
2 answers:
ycow [4]3 years ago
7 0

Answer:

c

Step-by-step explanation:

positive numbers and numbers without and sign are positive, and you will go from positive large to negative large

kondor19780726 [428]3 years ago
4 0
B

the plus sign indicates the number is positive (greatest, as it goes down you see the minus sign, indicating it’s a negative (least)
the number line goes from least to greatest, so you would just have to go backwards
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In 2014, the CDC estimated that the mean height for adult women in the U.S. was 64 inches with a standard deviation of 4 inches.
Vladimir79 [104]

Answer:

A. 16%

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.

In this problem, we have that:

\mu = 64, \sigma = 4

Which of the following gives the probability that a randomly selected woman has a height of greater than 68 inches?

This is 1 subtracted by the pvalue of Z when X = 68. So

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

Z = \frac{68 - 64}{4}

Z = 1

Z = 1 has a pvalue of 0.84.

1 - 0.84 = 0.16

So the correct answer is:

A. 16%

6 0
3 years ago
Jordan used the distributive property to write an expression that is equivalent to 6c – 48. 6c - 48 is equivalent to 6(c - 48) I
Katyanochek1 [597]
It’s incorrect.

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8 0
3 years ago
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stellarik [79]
This statement will be false. 

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5 0
3 years ago
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5 0
3 years ago
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lorasvet [3.4K]

Answer:

B

Step-by-step explanation:

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6 0
3 years ago
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