construct hypothesis test for propertions-excel week 7.docx...

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

QuestionA candy manufacturer sells bags of chocolate treats that are supposed to be half dark chocolate and half milk chocolate. The CEO opens a bag of the chocolate treats and tells his factory supervisor that he thinks that the types of chocolate are not evenly split in the bag. The supervisor randomly selects several bags, examines 300of the chocolates, and finds that 56%of the 300chocolates he examined are dark chocolate.Use Excel to test whether the true proportion of dark chocolates is different from 50%. Identify the p-value, rounding to three decimal places.Correct! You nailed it.
QuestionA police officer claims that the proportion of drivers wearing a seat belt in a certain area is less than 40%To test this claim, the officer collects a random sample of 80drivers and monitors if the driver was wearing a seat belt.From this sample of 80drivers, the police offers observes that 34were wearing seat belts..

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture