(Solved): Smartphones: A poll agency reports that 27% of teenagers aged 12-17 own smartphones. A random sample ...
Smartphones: A poll agency reports that 27% of teenagers aged 12-17 own smartphones. A random sample of 85 teenagers is drawn. Round your answers to at least four decimal places as needed.
(f) Would it be unusual if less than 18%
of the sampled teenagers owned smartphones?
It ▼(___) be unusual if less than 18%
of the sampled teenagers owned smartphones, since the probability is ___