Math 230 / Sta 230Fall 2014Final ExamDecember 12, 2014Time allowed: 180 minutesPrint Name:Instructions:(a) This is aclosed bookexam. You may bring a two-sided A4 paper of your own notes.(b) Use a calculator when necessary.No cellphones.(c)Show your workon the exam in the space provided (you may use the back of pagesif necessary).(d) Please draw a circle or box around your final answers.(e) Keep in mind that there are8problems, worth150points in total.(f) Numerical answers:four significant digitsor fractionsin lowest terms. Nonnu-merical:Simplify!(g) Normal distribution table and PDF table attached.(h) Do not cheat.Good luck!
1.(24pts) Each of the followingXvariables can be described by a known distribution.Givethe name of the distribution with its possible parametersandits expec-tation. No explanations needed. 4pts each.1