Ben ShoemayQuiz 14.docx - OPMT 1130 Quiz Mark/12 14 Last...

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

??= ??± ????√?𝜇𝜇 = 𝜇𝜇 ± ? ?????= �??????A highway safety researcher is studying the design of a freeway sign and is interested in themean maximum distance at which drivers are able to read the sign. The maximum distances(in feet) at which a random sample of 16 drivers can read the sign are as follows:400 490 600 540 540 600 240 440 360 600 430 400 490 The mean of the sample of 16 distances is 475 feet with a standard deviation of 98 feet.(a)What assumption must you make before constructing a confidence interval? [2 marks]2OPMT 1130 Quiz 14Mark:/12Last Name: ShoemayFirst Name: BenSet: G540 440 490

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture