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Counting Principles, Permutations, and Combinations
Probability Basics
Conditional Probability
Binomial Theorem and Probability
Normal Distribution and Z-scores
100

problem 1 

65536

100

problem 9 

26/31

100

problem 19

12/13

100

problem 25 

10.09%

100

problem 30

9.4

114.70

10.71

200

problem 5

59280

200

problem 10 

3/26

200

problem 21

19/36

200

problem 27

1.53%

200

problem 31 

12.25

222.90

14.93

300

problem 8

4368

300

problem 11

21/25

300

problem 22 

34/125

15/32

19/53

300

problem 26

8.35%

300

problem 32-34

47.7%

2.3%

26 recruits 

400

problem 2 

x=7

400

problem 15/17

25/288 

1/14

400

problem 14

7/75

400

problem 28

Find 7th term 

5376a^3

400

problem 35 

-1.08

500

problem 7 

3326400

500

problem 13 

1/18

500

problem 23

15.18%

73.3%

31.81%

54.75%

44.45%

28.15%

500

problem 29

Find 4th term

160k^2

500

problem 37

2