According to a recent article, 32% of drivers had driven drowsyin the past month. (Source:Thenationshealth.aphapublications.org/content/41/10/E52.fuII)
Suppose law enforcementofficials are planning a survey of 1000 drivers to determine whatproportion are driving drowsy.
a. Is whether a driver has driven drowsy in the past monthqualitative or quantitative?
b. Would it be unusual if, in a random sample of 1000 drivers,35% or more were driving drowsy in the last month? Includejustifications for full credit.
c. What is the minimum number of drivers that must be sampled tobe sure that the shape is approximately normal? Hint – use theformula
