408,919 views
20 votes
20 votes
Lian gives his friend Patti a lottery ticket for her birthday. The ticket cost Lian $2, and the back of

the ticket says, "The overall odds of winning a prize with this ticket are 1: 50, and the expected
return for this ticket is $0.89."
Lian says, "If 1,000 people each bought one of these tickets, they'd have spent $2,000 in total
and get back about $890"
Patti says, "The probability that one of these tickets wins a prize is 0.89, on average."

User Dwerner
by
3.0k points

2 Answers

14 votes
14 votes

Answer:

Lian is correct

Explanation:

Khan Academy

User Muaz Khan
by
3.1k points
21 votes
21 votes

Answer: Lian is correct.

Explanation:

He is correct because he is one person and ticket cost him 2 dollars.

So by doing simple multiplication we multiply both variables by 1,000 to get 1,000 people spend 2,000 dollars.

User Lyudmil
by
2.7k points