Friday
April 18, 2014

Homework Help: math

Posted by jonsson on Tuesday, January 15, 2013 at 7:28pm.

An airline tracks data on its flight arrivals. Over the
past six months, 25 flights on one route arrived early,
150 arrived on time, 45 were late, and 30 were cancelled.
a. What is the probability that a flight is early? On
time? Late? Cancelled?
b. Are these outcomes mutually exclusive?
c. What is the probability that a flight is either early or
on time?

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