Mathematics, 01.11.2019 04:31 gaby4567
Apersonnel director at a large company studied the eating habits of employees by watching the movements of a selected group of employees at lunchtime. the purpose of the study was to determine the proportion of employees who buy lunch in the cafeteria, bring their own lunches, or go out to lunch. 1. the study could best be categorized as a) a census b) a survey sample c) an observational study d) a designed experiment e) none of these 2. if the director includes only the employees in one department in her study, she is performing a a) simple random sample b) quota sample c) convenience sample d) multi-stage sample e) census 3. if the director selects 50 employees at random from throughout the company and categorizes their lunchtime practices by gender, she is a) blocking for gender b) testing for a lurking variable c) promoting sexual harassment d) testing for bias e) none of these
Answers: 3
Mathematics, 21.06.2019 12:50
G(x)=x2-16xb=-16, so =16 = 649(x) = (x2 - 16x + 64) - 649(x) = (x - 1)2-
Answers: 1
Mathematics, 21.06.2019 15:30
Will give are given that xy is parallel to zw. if xz is a transversal that intercepts xy and zw, angle angle alternate interior angles. since xy is parallel to zw, we know that these angles are we also know that angle xvy and angle zvw are , and thus congruent. we can conclude that â–³xyv ~ â–³zwv using the similarity theorem.
Answers: 2
Mathematics, 21.06.2019 23:00
36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)
Answers: 1
Apersonnel director at a large company studied the eating habits of employees by watching the moveme...
Computers and Technology, 06.03.2020 23:57
Computers and Technology, 06.03.2020 23:57
Computers and Technology, 06.03.2020 23:57
Mathematics, 06.03.2020 23:57