Two-Way Tables

Topic Page

Questions

• Consider a two-way table that summarizes age and ice cream preference. Of the children, 7 prefer vanilla, 12 prefer chocolate, and 3 prefer butter pecan. Of the adults, 10 prefer vanilla, 31 prefer chocolate, and 8 prefer butter pecan. What is the joint probability that a randomly selected person is a child who prefers chocolate?
• What is a joint probability in a two-way table?
• What is a conditional probability in a two-way table?
• Consider a two-way table that summarizes age and ice cream preference. Of the children, 7 prefer vanilla, 12 prefer chocolate, and 3 prefer butter pecan. Of the adults, 10 prefer vanilla, 31 prefer chocolate, and 8 prefer butter pecan. What is the conditional probability that a person prefers vanilla, GIVEN THAT the person is an adult?
• Consider a two-way table that summarizes age and ice cream preference. Of the children, 7 prefer vanilla, 12 prefer chocolate, and 3 prefer butter pecan. Of the adults, 10 prefer vanilla, 31 prefer chocolate, and 8 prefer butter pecan. What is the probability that a randomly selected individual is a child, GIVEN THAT the person prefers butter pecan?
• Consider a two-way table that summarizes age and ice cream preference. Of the children, 7 prefer vanilla, 12 prefer chocolate, and 3 prefer butter pecan. Of the adults, 10 prefer vanilla, 31 prefer chocolate, and 8 prefer butter pecan. Are the events "chocolate" and "child" independent? Why or why not?
• What is a two-way table?
• How do you calculate marginal, joint, and conditional probabilities from a two-way table?
• Question #b0d38
• How can we divide the salary data #{199,200,202,203,207,208,208,209,210,210,210,210,212,213,214,215,217,218,218,221}# in six classes?
• How does probability relate to the punnett square and the offspring?