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fredd [130]
2 years ago
9

Which measures of center or variability are greater than 5 degrees? Select three choices.

Mathematics
2 answers:
saw5 [17]2 years ago
8 0
It’s to the king and we’re it’s going and most of it has most they need more things about it
Evgesh-ka [11]2 years ago
3 0

Answer:

A,B,D

Step-by-step explanation:

Edge2020

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A line passes through the point (0,5) and has a slope of -1/2 which is the equation of the line in slope intercept form?
Nana76 [90]

equation of line in slope intercept form is

y = mx + c

where m is slope.

putting point (0,5) in equation

5 = m × 0 + c

c = 5

now equation is

y = mx +c

y = (-1/2)x + 5

answer is option D

4 0
3 years ago
A sample of 50 drills had a mean lifetime of 12.17 holes drilled when drilling a low-carbon steel. Assume the population standar
zmey [24]

Using the z-distribution, it is found that the 95% confidence interval for the mean lifetime of this type of drill, in holes drilled, is (10.4, 13.94).

We are given the <u>standard deviation for the population</u>, hence, the z-distribution is used. The parameters for the interval is:

  • Sample mean of \overline{x} = 12.17
  • Population standard deviation of \sigma = 6.37
  • Sample size of n = 50.

The margin of error is:

M = z\frac{\sigma}{\sqrt{n}}

In which z is the critical value.

We have to find the critical value, which is z with a p-value of \frac{1 + \alpha}{2}, in which \alpha is the confidence level.

In this problem, \alpha = 0.95, thus, z with a p-value of \frac{1 + 0.95}{2} = 0.975, which means that it is z = 1.96.

Then:

M = 1.96\frac{6.37}{\sqrt{50}} = 1.77

The confidence interval is the <u>sample mean plus/minutes the margin of error</u>, hence:

\overline{x} - M = 12.17 - 1.77 = 10.4

\overline{x} + M = 12.17 + 1.77 = 13.94

The 95% confidence interval for the mean lifetime of this type of drill, in holes drilled, is (10.4, 13.94).

A similar problem is given at brainly.com/question/22596713

6 0
3 years ago
What is the volume of 1/4 of a sphere
Alja [10]

Answer: You need to find the radius...

Step-by-step explanation:

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3 years ago
Round $.9666 to the nearest cent
Burka [1]

Answer:

It would be $0.97

Step-by-step explanation:

You round the nearest cent so you round the second number from the dot

6 0
3 years ago
Which graph represents this system of inequalities?<br> y&gt; x+3<br> Y&gt; 5x-1 pls need help
Cerrena [4.2K]

Answer:

5x

Step-by-step explanation:

It’s 5x

4 0
3 years ago
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