Question

Question 4 A quality control engineer at a potato chip company tests the bag filling Type numbers in the boxes. machine by weighing bags of potato chips. Not every bag contains exactly the 10 points same weight. But if more than 17% of bags are over-filled then they stop production to fix the machine. They define over-filled to be more than 1 ounce above the weight on the package. The engineer weighs 104 bags and finds that 22 of them are over-filled. He plans to test the hypotheses H : P = 0.17 versus H.: p > 0.17. What is the test statistic? (Please round your answer to two decimal places if necessary)

Answer 1

Descriptive Statistics

N	Event	Sample p
104	22	0.211

Test

Null hypothesis	H₀: p = 0.17
Alternative hypothesis	H₁: p > 0.17

test statistic Z =

P- Po Po(1-po) n V

Z-Value	P-Value
1.13	0.130