Solve the problem. 2) A sample of 63 college students yields a mean annual income of $3029. Assuming that o = $809,
find the margin of error in estimating u at the 99% level of confidence.

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet