Probability that a particular top executive reads either Time or US News and World Report

A survey of top executives revealed that 35% of them regularly read Time magazine, 20% read Newsweek, and 40% read US News and World Report. Ten percent read both Time and US News and World Report.

a)What is the probablility that a particular top executive reads either Time or US News and World Report regularly?
Show the work and formula using excel.

b)What is the probablity .10 called?

Show the work and formula using excel.

c)Are the events mutually exclusive? Explain.

Mutually Exclusive -- Yes or No?

Explain Answer:

Solution Summary

What is the probablility in this case?