Research conducted by the National Center for Health Statistics estimated that 78% of college educated
women who married for the first time between 2006
and 2010 could expect their marriage to last at least 20
years. Suppose a random sample of 1050 college
educated women who married between 2006 and 2010
is selected.
Calculate and interpret the 90% confidence interva
for the proportion of college educated women who
married between 2006 and 2010 who could expect
their marriage to last at least 20 years.

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'.

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation: