Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 36 months, how much interest will ana have earned on her savings account?
The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable