MATH 302 MIDTERM EXAM

MATH 302 MIDTERM EXAM Part 1 of 9 - Question 1 of 25 1.0/ 1.0 Points Gender and State are examples of which type of data? A.Ordinal data B.Discrete data C.Categorical data D.Continuous data Answer Key: C Part 2 of 9 - 2.0/ 2.0 Points Question 2 of 25 1.0/ 1.0 Points What type of probability uses sample spaces to determine the numerical probability that an event will occur? A.classical probability B.subjective probability C.empirical probability D.conditional probability Answer Key: A Question 3 of 25 1.0/ 1.0 Points The formal way to revise probabilities based on new information is to use: A.conditional probabilities B.complementary probabilities C.unilateral probabilities D.common sense probabilities Answer Key: A Part 3 of 9 - 3.0/ 3.0 Points Question 4 of 25 1.0/ 1.0 Points The following data were obtained from a survey of college students. The variable X represents the number of non- assigned books read during the past six months. x 0 1 2 3 4 5 P (X=x) 0.20 0.25 0.20 0.15 0.10 0.10 Find P( X 3) A.0.20 B.0.15 C.0.85 D.0.80 Answer Key: D Question 5 of 25 1.0/ 1.0 Points A researcher surveyed college students to study their opinion about the proposed change in smoking rules. The researcher asked a group of 30 students: 12 of them supported the change, 13 of them did not, and 5 had no opinion. This is not a binomial model because...