7
QuizMultiple Choice
Introduction to Hypothesis Testing
Question 7 • CA-Statistics and Probability B
A teacher has a large container of blue, red, and green beads. She reports to the students that the proportion of blue beads in the container is 0.30. The students feel the proportion of blue beads is lower than 0.30. A student randomly selects 50 beads and finds that 12 of the beads are blue. Which hypotheses would test the students’ claim?
Answer
A
H 0: p = 0.30, H alpha: p greater-than 0.30
B
H 0: p = 0.30, H alpha: p less-than 0.30
C
H 0: p = 0.30, H alpha: p not-equals 0.30
D
H 0: p = 0.24, H alpha: p less-than 0.24