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-Dominant- [34]
2 years ago
10

Select the interval where f is negative.

Mathematics
2 answers:
sineoko [7]2 years ago
5 0

Answer: I guess B

Step-by-step explanation:

Sloan [31]2 years ago
3 0

Answer:

C

Step-by-step explanation:

trust me

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3 years ago
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ICE Princess25 [194]
Yes the answer would be D


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Estimate 6.1 DIVIDED 8
jenyasd209 [6]
<span>Estimate 6.1 DIVIDED 8
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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
Please answer the following attachment down below.<br><br> I would greatly appreciate it if you did.
zepelin [54]

Answer:

34.63

Step-by-step explanation:

A=a2+2aa2

4+h2=32+2·3·32

4+42≈34.63201

4 0
3 years ago
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