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OlgaM077 [116]
3 years ago
11

Please answer! will give brainliest

Mathematics
1 answer:
torisob [31]3 years ago
7 0

Answer:

5

Step-by-step explanation:

2+4+6+8 = 20

20 / 4 = 5

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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.
  • About 99.7% of data lies within three standard deviation of the mean.

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.

3 0
3 years ago
2.75 + .003 + .158 =
Alecsey [184]


2.75                             Answer is  2.911      

0.003                Make sure you line up the decimal points like shown in example

0.158

_________

2.911

6 0
3 years ago
Read 2 more answers
(-1,-8) what is the equivalent number
Keith_Richards [23]

Answer:

8 x n =3647 = 8.1

Step-by-step explanation:

3 0
3 years ago
Melissa got two puppies, Ben and Sadie.
MA_775_DIABLO [31]

Answer:

x = 4y - 20

Step-by-step explanation:

x = Sadie's weight

y = Ben's weight

x = 4(y - 5)

x = 4y - 20

7 0
3 years ago
Jeremy spends $4.00 for breakfast and then spends $4.00 for lunch
vazorg [7]

Answer:

He spends 8 dollars

Step-by-step explanation:

4 + 4 = 8

Hopefully this helps you :)

pls mark brainlest ;)

3 0
3 years ago
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