Question 2 (5 points) (08.01)
Sam wants to know how many families in his neighborhood plan to attend the
neighborhood cookout. He puts all 100 of the neighborhood addresses in a hat and
draws a random sample of 25 addresses. He then asks those families if they plan to
attend the cookout. He finds that 15% of the families plan to attend the cookout. He
claims that 15% of the neighborhood families would be expected to attend the
cookout. Is this a valid inference? (5 points)

for the friend request.

when a figure, such as triangle (xyz) is reflected over the line y = x to create x'y'z' the x-coordinates and y-coordinates of the original image (pre-image) will be reversed for the image. (e.g., (x, y) > (y, x)) this means that the pre-image position of the x- and y-coordinates switch places which in turn provides a mirror like image of the original xyz.  

i notice that when i draw a line segment from x to x', that the points are parallel from each other -- they are exactly across from each other and do not intersect with any other points.  

yes, think i would see the same characteristic if you drew the line segment connecting y with the reflecting line and then y' with the reflecting line because of the essence of reflections. because it is a mirror image, each point was effected the same way which leads me to conclude that they same would apply to y and y'.

step-by-step :

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step-by-step explanation: