Given an employee is under 40 years of age, they have a 28%
chance of having an individual retirement plan (IRA). If an
employee is 40 or older, they have a 43% chance of having an
individual retirement plan (IRA). Currently the workforce
is composed of 56% of people who are under 40 years of age. Let A
be the event that an employee is under 40 and B be
the event that an employee has an IRA. If you use your own event
notation, define your events below.
What is the probability that a randomly selected employee has an IRA or is 40 or older?
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