Mathematics, 27.04.2021 20:50 bjbass899

A television newscaster from a 24-hour news station wants to estimate the number of hours per day its viewers watch programming on this channel. The newscaster randomly selects 100 viewers and asks them
how many hours per day they watch this station. The newscaster constructs an 85% confidence interval for
the true mean number of hours viewers watch this station. Which of the following would decrease the margin
of error?
using a sample of size 50
using a sample of size 200
constructing a 90% confidence interval
constructing a 95% confidence interval

A television newscaster from a 24-hour news station wants to estimate the number of hours per day i

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A television newscaster from a 24-hour news station wants to estimate the number of hours per day it...