Question
In a survey of 500 teens, 345 said they have a savings account. What is the experimental probability that a randomly chosen teen in the survey has a savings account? (Review 2.8)
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A local bank reports 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 has either a checking or a savings account? What is the probability the customer does not have either a checking or a savings account?
A survey revealed that 21.5% of the households had no checking account, 66.9% had regular checking accounts, and 11.6% had NOW accounts. Of those households with no checking account 40% had savings accounts. Of the households with regular checking accounts 71.6% had a savings account. Of the households with NOW accounts 79.3% had savings accounts. The probability that a randomly selected household has a savings account is?
A local bank reports that 80 percent of its customers maintain a checking account, 60 percent have a savings account, and 50 percent have both. If a customer is chosen at random, what is the probability the customer has either a checking or a savings account? What is the probability the customer does not have either a checking or a savings account?
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