a person draws 4 cards in succession from a standard deck of

a person draws 4 cards in succession from a standard deck of playing cards, replacing each card before drawing next. what is the probability that the person draws at least 1 ace

Solution

i)out of four cards one is ace card:

probability of drawing one ace and three non ace cards is

ii)out of four cards two are ace cards:

probability of drawing two ace and two non ace cards is

iii)out of four cards three are ace cards:

probability of drawing three ace and one non ace card is

iv)out of four cards four are ace cards:

probability of drawing four ace cards is

probability= =