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Alenkinab [10]
3 years ago
13

I NEED HELP PLEASE !!!! ;(

Mathematics
1 answer:
marissa [1.9K]3 years ago
7 0

Answer:

The answer is always

Hope this helps......... :)

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During a rock concert, the noise level (in decibels) in front row seats has a mean of 92 dB with a standard deviation of 9 dg_ W
rodikova [14]

Answer:

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

Step-by-step explanation:

When we do not know the shape of the distribution, we use the Chebyshev's Theorem to find the minimum percentage of a measure within k standard deviations of the mean.

This percentage is:

p = 1 - \frac{1}{k^{2}}

Within 8 standard deviations of the mean

This means that k = 8. So

p = 1 - \frac{1}{8^{2}} = 1 - \frac{1}{64} = \frac{64 - 1}{64} = \frac{63}{64} = 0.9844

The minimum percentage of noise level readings within 8 standard deviations of the mean is 98.44%.

6 0
3 years ago
What is the distance between the points (2,8) and (-6,-7)
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Your answer is 17 for this on,e
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3 years ago
At a certain college, 30% of the students major in engineering, 20% play club sports, and 10% both major in engineering and play
Mademuasel [1]

The probability that a student selected at random majors in engineering is 30% which is 0.3.

The probability  that the student both majors in engineering and play club sports is 10% which is 0.1.

For a student who is selected at random to be one who majors in engineering, there are two possible ways.

The student majors in engineering OR the Student both majors in engineering and plays club

The Probabilty that the student majors in Enginnering =

The probability that the student majors in engineering plus the  probability that Student both majors in engineering and plays club sport

= 0.3+0.1= 0.4

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3 years ago
Whats the correct answer answer asap for brainlist
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Answer: C.) Earthquakes

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Some values of the linear function ƒ are shown in the table. What is the value of ƒ(3)?
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Answer:

need table to answer

Step-by-step explanation:


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2 years ago
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