probability of an event, algebra homework help

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TnvyYnhera

Mathematics

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The probability that it will rain today is 40%, and the probability that it will rain tomorrow is 20%.  The probability that it will rain on both days is 10%.  Consider the event that it will rain today OR tomorrow.

a.  What types of events are these (independent, dependent, mutually exclusive, or overlapping)?

b.  Calculate the probability that it will rain today or tomorrow.  You must show the appropriate formula and probability equation.



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