Answer:
(a) .55
(b) .08
(c) about 42681 people
Step-by-step explanation:
Statistics!!
(a) .55 = point estimate
The point estimate is the middle of those two values, or the average. (.63+.47) / 2 = .55.
(b) .08 = ME
The margin of error is the difference between the point estimate and the outer values of the interval. .63-.55 = .08
(c) 42681 people
We think that .55 of the population want to add the bike lanes, so .55 * 75783 = 41680.65 ≈ 42681
Answer:
Step-by-step explanation:
Points
<h3>
Answer:</h3>
A: 6 ft²
B: 3 ft² is the area of each of the two congruent triangles
<h3>
Step-by-step explanation:</h3>
Part A. As with a rectangle, the area of a parallelogram is the product of base length and height.
Area = (8 ft)·(3/4 ft) = 6 ft²
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Part B. If you cut the area into two halves, each half will have half the area of the original. (That should not be a surprise.)
triangle area = (6 ft²)/2 = 3 ft²
If the triangles are created by a diagonal across the original figure, each will have a base length and height that is the same as that of the original figure. The area of a triangle is half the product of base and height, so each triangle will have area ...
triangle area = (1/2)bh = (1/2)(8 ft)(3/4 ft) = 3 ft²
Answer:
y=12
Step-by-step explanation:
12=24-y
-24 -24 subtract 24 from both sides
-12=-y divide both sides by -1
y=12