Selecting Dates. If two dates are selected at random from the 365 days of the year, use the counting principle to determine the number of possible outcomes if the dates are selected

a) with replacement.

b) without replacement.

Question

Selecting Dates.  If two dates are selected at random from the 365 days of the year, use the counting principle to determine the number of possible outcomes if the dates are selected
 
                a)             with replacement.
 
                b)             without replacement.

dumbcow · Answer

with replacement:

there are 365 possible options each time   ----> 365*365

without replacement:
there is 365 options first time, after that date is picked it leaves 364 options for next date
----> 365*364

juana02 · Answer

Thanks for explanation @dumbcow