If the Recurrence Interval of an Event Is 50 Years

Multiple Choice

If the recurrence interval of an event is 50 years, recurring events ____. ​

A) will occur exactly every 50 years
B) will never occur within a one year time period
C) can occur anytime, but are likely to occur within 50 years
D) will never occur if there has not been an event for 50 years
E) will only occur once during any given individual's lifetime