A teacher has two large containers, cap A and cap b , filled with blue, red, and green beads. She wants her students to estimate the difference open paren cap A minus cap b close paren in the proportion of red beads in each container. What is the appropriate inference procedure?
Answer
A
Two-sample t -test for mu sub cap A minus mu sub cap b
B
Two-sample t -interval for mu sub cap A minus mu sub cap b
C
Two-sample z - interval for p sub cap A minus p sub cap b
D
Two-sample z - test for p sub cap A minus p sub cap b