A survey of 1,700 shoppers asked, "Does social media influence your purchase decisions?" The results indicated that 20.3% of females responded that their purchase decisions are influenced by social media compared to 10.5% of males. (Data extracted from "The Myth of the Mansumer...," bit.ly/1JVaKoh.) The sample sizes of males and females were not provided. Suppose that the results indicated that of 850 males, 89 answered yes. Of 850 females, 173 answered yes. Construct a contingency table to evaluate the probabilities. What is the probability that a respondent chosen at random
a. Indicates that social media does influence his/her purchase decisions?
b. Is a female and indicates that social media does influence his/ her purchase decisions?
c. Is a female or is a person whose purchase decisions are influenced by social media?
d. Is a male or a female?