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Aleks04 [339]
3 years ago
10

Rational numbers are _____ natural numbers.

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
4 0
Rational numbers are sometimes natural numbers.
Harrizon [31]3 years ago
4 0

Answer:

sometimessssssss

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DerKrebs [107]

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3 years ago
At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 18 m
Colt1911 [192]

Answer:

99.7% of customers have to wait between 8 minutes to 30 minutes for their food.

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 18 minutes

Standard Deviation, σ = 4 minutes

We are given that the distribution of amount of time is a bell shaped distribution that is a normal distribution.

Empirical Formula:

  • Almost all the data lies within three standard deviation from the mean for a normally distributed data.
  • About 68% of data lies within one standard deviation from the mean.
  • About 95% of data lies within two standard deviations of the mean.
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Thus, 99.7% of the customers have to wait:

\mu -3\sigma = 18-3(4) = 6\\\mu +3\sigma = 18+3(4) = 30

Thus, 99.7% of customers have to wait between 8 minutes to 30 minutes for their food.

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3 years ago
If the perimeter of the triangle is fifteen centimeters what is the value of n?
Harrizon [31]

I am pretty sure the value of ‘n’ is 2.5!

6 0
2 years ago
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The normal curve with a mean of 0 and standard deviation of 1 is called?
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Answer:

A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution. so its A

Step-by-step explanation:

i looked it up and i think this is right :)

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Which one is it and why? Please actual answers only
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The first answer, 3(pi) km^2

Step-by-step explanation:

3 x pi squared determines the area

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