What is the slope of the line? -4/3 -3/4 3/4 4/3

Mathematics

2 answers:

dsp733 years ago

7 0

If you look carefully at the graph, you'll see that the line goes smack through the intersection of x=4 and y=3, and thus "rise" is 3 and "run" is 4.

The slope is then m = rise/run = 4/3.

Montano1993 [528]3 years ago

5 0

Answer:

4/3

Step-by-step explanation:

srry I answered really late :b but hope it helps anyways :3

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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

anyanavicka [17]

Answer:

95% of the customers have to wait between 10 minutes and 26 minutes

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 18 minutes

Standard Deviation, σ = 4 minute

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.

Now, we can write:

$10 = 18-2(4) = \mu - 2(\sigma)\\26 = 18+2(4) = \mu + 2(\sigma)$