For each of the following, decide whether the description fits the sd or the se.

(a) this quantity is a measure of the accuracy of the sample mean as an estimate of the population mean.
(b) this quantity tends to stay the same as the sample size goes up.
(c) this quantity tends to go down as the sample size goes up.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e. g. 98.7654). x f(x) 0 1 2 3

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Icould really use some with this question.