Which of the following calculated values will have three significant digits? The area of a circle with radius 5,000 ft
The perimeter of a triangle with side lengths 84.5 cm, 94 cm, and 117 cm
The area of a square with side length 0.024 m
The circumference of a circle with radius 0.0910 m
The perimeter of a square with side length 1.02 ft
The area of a triangle with base 4.50 In, and height 10.02 in

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.