1. Based on a survey, 3 out of 10 like to play the flute. For a class of 700, how many flutes should the teacher pre-order?
70 flutes
210 flutes***
300 flutes
490 flutes
2. The probability of getting a winning scratch off ticket is 4 out of 10. If Dan buys 25 tickets, how many of those would you expect to be winning tickets?
10 tickets***
11 tickets
14 tickets
15 tickets
3. The probability of winning game is 15%. How many times should you expect to win, if you play 60 times?
9 times***
18 times
45 times
51 times
The answers
B
A
A