If sample data come from a population that is not normally distributed, which
sample size would be large enough for the sampling distribution to
approximate a normal distribution?
A. 25
B. 15
C. 45
D. 5

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

State if the two triangles are congruent. if they are, state how you know?