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VLD [36.1K]
3 years ago
9

State the equation of the line in y = mx + b form.

Mathematics
1 answer:
gtnhenbr [62]3 years ago
4 0
Your slope is wrong! Your slope is going to be 3/2, or C for the first problem. Your y intercept is wrong! Your Y- intercept is actually (0, -1.3) or B for the second problem.
Your equation is going to be
y= 3/2x-1.3
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The average and standard deviation of a measurement is 15.0 ± 5.0. if 100 students measured the value, how many would you expect
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Solution: We are given:

\mu=15, \sigma=5

Using the empirical rule, we have:

\mu \pm \sigma covers 68% of data.

Also the percentage of values below mean = Percentage of values above mean = 50%

Now, let's find the z score for x=20

z=\frac{20-15}{5}=1

Therefore, the percentage of values greater than 1 standard deviation above mean 50\% - \frac{68\%}{2} =50\%-34\%=16%

Expected number of students = 16% of 100 = 16


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Answer:

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gogolik [260]

Answer:

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Step-by-step explanation:

we know that

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