Confidence
Interval Estimate – Social Media Example
In a survey of 1200 social media
users, 76% said okay to friend co-workers, but 56% said it is not okay to
friend co-workers. (Data extracted from “Facebook Etiquette at work,”
USA Today, March 24, 2010, p.1B).
a. Construct a 95% confidence
interval estimate for population proportion of social media users who would say
it is okay to friend co-workers.
b. Construct a 95% confidence
interval estimate for population proportion of social media users who would say
it is not okay to friend co-workers.
c. Write a short summary of the
information derive from (a) and (b)
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