suppose a simple random sanple of size n = 81 is obtained from a population with popilarion meaning = 80 anf a standard deviation = 9 . describe the the samplong distribution

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

point m is on plane r

it should be described as a proper fraction.