A Gallup poll conducted in 2017 asked people, Do you think marijuana use should be legal? In
Question:
A Gallup poll conducted in 2017 asked people, “Do you think marijuana use should be legal?”
In response, 75% of Democrats, 51% of Republicans, and 67% of Independents said Yes. Assume that anyone who did not answer Yes answered No. Suppose the number of Democrats polled was 400, the number of Republicans polled was 300, and the number of Independents polled was 200.
a. Complete the two-way table with counts (not percentages). The first entry is done for you. Suppose a person is randomly selected from this group.
b. What is the probability that the person is a Democrat who said Yes?
c. What is the probability that the person is a Republican who said No?
d. What is the probability that the person said No, given that the person is a Republican?
e. What is the probability that the person is a Republican given that the person said No?
f. What is the probability that the person is a Democrat or a Republican?
Step by Step Answer:
a Yes No Democrats 300 100 Republicans 153 147 Independents 134 66 b The probability that the pers...View the full answer
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
