# Probabilities

• Jan 18th 2009, 07:36 PM
jax760
Probabilities
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 with a savings account has no checking account is:
• Jan 18th 2009, 07:55 PM
Yan
Quote:

Originally Posted by jax760
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 with a savings account has no checking account is:

21.5%*40%
• Jan 18th 2009, 08:20 PM
jax760