SOLUTION: A local bank report that 80% of its customers maintain a checking account 60% have a savings account and 50% have both. If a customer is chosen at random, what is the probability t

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Question 922377: A local bank report that 80% of its customers maintain a checking account 60% have a savings account and 50% have both. If a customer is chosen at random, what is the probability the customer does not have either a checking or a saving account.? What is the probability the customers does not have either a checkings or savings account?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A local bank report that 80% of its customers maintain a checking account 60% have a savings account and 50% have both. If a customer is chosen at random, what is the probability the customer does not have either a checking or a saving account.? What is the probability the customers does not have either a checkings or savings account?
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P(check OR savings) = 0.6+0.5-0.8 = 0.3
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Ans: P(c OR s)' = 1 - 0.3 = 0.7
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Cheers,
Stan H.
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