Which equation represents the vertical line passing through (14,-16)?.
1 answer:
The vertical line shall have its x-coordinate equal to 14 because the points (14, -16) is on this vertical line.
<u>Given the following data:</u>
- Points (x, y) = (14, -16)
To find an equation of the vertical line that passes through the given points (14, -16):
The standard form of an equation of line is given by the formula;
<u>Where:</u>
- x and y are the points.
- m is the slope.
- b is the intercept.
For any equation of a straight line, the x-coordinate of a vertical line will always be the same irrespective of the point chosen on the vertical line. because a vertical line is perpendicular to the x-axis.
Deductively, the vertical line shall have its x-coordinate equal to 14 because the points (14, -16) is on this vertical line.
Read more: brainly.com/question/2707920
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Answer: (30.49 years, 42.31 years)
Step-by-step explanation:
The formula to find the confidence interval is given by :-
, where = Sample mean
z* = Critical value.
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n= Sample size.
As per given , we have
n= 40
We know that the critical value for 99% confidence interval : z* = 2.576 (By z-table)
A 99 percent confidence interval for µ, the true mean age of guests will be :
∴ a 99 percent confidence interval for µ, the true mean age of guests = (30.49 years, 42.31 years)