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mezya [45]
3 years ago
15

Please help! I will give Brainliest!

Mathematics
1 answer:
Yakvenalex [24]3 years ago
5 0

Answer:

b

Step-by-step explanation:

There's only 1 orange and 1 yellow

Then there are 8 sections

therefore, 2/8 or 1/4

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Where’s the graph lol?
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3 years ago
For an intramural sports program at a particular college, the time to run one mile is recorded for 200 male students in the prog
Greeley [361]

Answer:

Devon has the lower z-score, so he ran the mile faster relative to his gender.

Step-by-step explanation:

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.

Who ran the mile faster relative to their gender?

The lower the percentile of time ran, the faster. So whoever has the lower z-score ran the mile faster.

Devon

His best time to run the mile is 6.6 minutes.

These times are approximately normal with mean 8 minutes and standard deviation 1 minute.

We have to find Z when X = 6.6, \mu = 8, \sigma = 1. So

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

Z = \frac{6.6 - 8}{1}

Z = -1.4

Kendall

Her best time to run the mile is 5.7 minutes.

These times are approximately normal with mean 7.5 minutes and standard deviation 2 minutes.

We have to find Z when X = 5.7, \mu = 7.5, \sigma = 2. So

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

Z = \frac{5.7 - 7.5}{2}

Z = -0.9

Devon has the lower z-score, so he ran the mile faster relative to his gender.

3 0
3 years ago
Indicate which property is illustrated in step 1
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

communicative because you moved the three to the other side

6 0
3 years ago
Can someone please help me on this
AleksandrR [38]

Answer:

no

♥have a good day.

3 0
3 years ago
Read 2 more answers
Does anybody know thisss?????!!!!!
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There are 12 months in most years.
.. 23%/12 ≈ 1.91667%

_____
The answer shown in your picture is correct to 2 decimal places.
3 0
3 years ago
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