Question

in a lottery, each ticket buyer has a 1 in 10 chance of winning a prize. if chip buys 10 tickets, what is the probability that he will win at least 1 prize? show work

Answer 1

his probability is 1/5 because it's half a chance

Answer 2

1 in every 10 tries will win
10 tries

1/10 times 10=10/10=1

he will win at least 1 prize 100%