To encourage telephone efficiency a catalog call center issues a
To encourage telephone efficiency, a catalog call center issues a guideline that at least half of all telephone orders should be completed within 2 minutes. Subsequently, a random sample of 64 telephone calls showed that only 24 calls lasted 2 minutes or less.
(a) At α = .05 is this a significant departure from the guideline in a left-tailed test? State your hypotheses and decision rule.
(b) Find the p-value.
(c) Is the difference important (as opposed to significant)?
Membership TRY NOW
  • Access to 800,000+ Textbook Solutions
  • Ask any question from 24/7 available
    Tutors
  • Live Video Consultation with Tutors
  • 50,000+ Answers by Tutors
OR
Relevant Tutors available to help