2) in a set of data that show a normal distribution the mean is 7.8 and the standard deviation is 1.7. what is the proportion of numbers that are greater than 9? show all work. (hint: find the z-score and use the z-table.)
, i don't understand how to solve this question.

Definition: es. this is a disadvantage or weak point that makes someone or something less effective.

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t