Quiz 10 - Quiz10 Question1of6 1.0 1.0 Points Do less Republicans(group A then Democrats(group B favor the government investing billions of dollars to

Quiz 10 - Quiz10 Question1of6 1.0 1.0 Points Do less...

This preview shows page 1 - 2 out of 4 pages.

Quiz 10 Question 1 of 61.0/ 1.0 PointsDo less Republicans (group A) then Democrats (group B) favor the government investing billions of dollars to improve the country's train system? One thousand Republicans and one thousand Democrats were asked if they favored spending billions to improve the country's train system. How would we write the alternative hypothesis? A.Ha: pA - pB does not equal 0B.Ha: pA - pB < 0C.Ha: pA - pB = 0D.Ha: pA - pB > 0 Part 2 of 6 - 1.0/ 1.0 Points Question 2 of 61.0/ 1.0 PointsA major grocery store chain is trying to cut down on waste. Currently, they get peaches from two different distributors, WholeFruits and GreenGrocer. Out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. She then makes a confidence interval. Is there a significant difference in the quality of the peaches between the two distributors?95% CI for pW-pG:(-0.156, 0.064)
Image of page 1
Image of page 2

You've reached the end of your free preview.

Want to read all 4 pages?

  • Spring '08
  • Ripol
  • Statistics, Statistical hypothesis testing, systolic blood pressure, blood pressure levels, stress reduction program, non sell-able items

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture