9
QuizMultiple Choice
Introduction to Hypothesis Testing
Question 9 • CA-Statistics and Probability B
A computer company wants to determine if the proportion of defective computer chips from a day’s production is more than 10%. A quality control specialist randomly selects 200 chips from a day’s production and finds that 24 chips are defective. Which hypotheses would test if the proportion of defective chips is more than 10%?
Answer
A
H 0: p hat = 0.10, H alpha: p hat greater-than 0.10
B
H 0: p = 0.12, H alpha: p less-than 0.12
C
H 0: p = 0.10, H alpha: p greater-than 0.10
D
H 0: p = 0.12, H alpha: p greater-than 0.12