As estimated by the Pew Research in 2016, the probability a randomly chosen American adult uses Instagram
Question:
As estimated by the Pew Research in 2016, the probability a randomly chosen American adult uses Instagram is 0.28, the probability a randomly chosen American adult uses Twitter is 0.21, and the probability a randomly chosen American adult uses Instagram and Twitter is 0.14.
a. Using the Pew Research estimates, complete the following two-way table of probabilities.
b. What is the probability a randomly chosen American adult uses Twitter but not Instagram?
c. What is the probability a randomly chosen American adult uses Instagram but not Twitter?
d. What is the probability a randomly chosen American adult uses either Twitter or Instagram?
Step by Step Answer:
Introduction To Statistical Investigations
ISBN: 9781119683452
2nd Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy