Concept explainers
Smartphone adoption among American younger adults has increased substantially and mobile access to the internet is pervasive. Seventeen percent of young adults, ages 18-29, who own a smartphone are “smartphone-dependent� meaning that they do not have home broadband service and have limited options for going online other than their mobile device.
If a sample of 10 American young adults is selected, what is the
a. 3 are smartphone-dependent?
b. at least 3 are smartphone-dependent?
c. at mot 6 are smartphone-dependent?
d. if you selected the sample in a particular geographical area and found that none of the 10 respondents are smartphone-dependent, what conclusions might you reach about whether the percentage of smartphone-dependent young adults in this area was
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