2 SCIENCE DEPARTMENT OF POLITICAL UNIVERSITY OF GHANA March 24, 2022 Prof. A. Essuman-Johnson RESEARCH POLI 443:APPLIED POLITICAL ASSIGNMENT 1 ANSWER ALL QUESTIONS ASSIGNMENT 3lsT MARCH( QE22 ASSISTANTS BY 6&SRVSRIA20 HAS TO BE HANDED TO GRADUATE 1. The quantitative part of a national is scaled exam so that the mean score is 500 and the distributed (a) what of scores is normally standard deviation is 100. If the distribution What proportion Scored between 500 and 682? (b) proportion of the students scored between 340 and 682? to reach a student groups length of time for five-person 2. of Ghana has a normal harassment policy at the University c o n s e n s u s on an sexual that a randomly 0.25. (a) What is the probability distribution with u =2.2 hours and a = 1.5 A researcher found that the reach a selected group of students will consensus on a similar policy in less than hours? 3. Universities in Ghana are TEWU workers in all the public The annual incomes for Ghe1,600. (a) What Ghe18,500 and o distributed with u assumed to be normally than Ghe20,000? (b) Less than workers receive an income greater proportion of TEWU = Ghe15,500? 4. Suppose that TEWU it sample is true. 0.05, determine if the assumption is 5 days. A study of length of patient confinement hospital claims that the average 5.2. Does and s 36 people showed a mean of 6.2 of patient confinement of for Ghg22,000. Data collected Ghg21,250 and s = 702. Using A for their members is the average annual wage actual annual wage is less than is suspected that the mean wage of of 40 union employees showed a Claims that Ghe22,000 per year but 5. = the a = = length this data support the hospital's claim? Use a =0.01. Prof Essuman-Johnson Applied Pol. Research Poli 443