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Practice_Final_Exam

# Practice_Final_Exam - Practice Final Exam MAT 200 Name 1...

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Practice Final Exam MAT 200 Name 1. Identify the type of sampling used in each case. (Random, Cluster, Stratified, Systematic, or Convenience) (a) A pollster selects drivers who are waiting to have their cars repaired at a local Sears Auto store. __________________ (b) A pollster selects every 50th name in a telephone book. __________________ (c) A pollster selects 100 men and 100 women. __________________ (d) A pollster selects 50 people from each of 40 countries. __________________ (e) A pollster writes the names of each voter on a card, shuffles the cards, then draws 25 names. __________________ 2. A legislative advisory committee consists of 20 Democrats (8 of whom are women) and 10 Republicans (3 of whom are women). (a) Two of the committee members are randomly selected for a special research project. What is the probability that they are both Democrats? ____________________ (b) If the chairperson is randomly selected, find the probability of getting a Democrat or a man. ___________________ (c) At each meeting of this committee, one person is randomly chosen from the 30 members and that person must act as a secretary for the meeting. Find the

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