High School Finite Math

15 Points Per Correct Answer - No time limit  

1. What is the general formula for the factorial notation? n*(n-1)*(n-2)*...*3*2*1 n+(n-1)+(n-2)+...+1 a(n-1) over 2(r-1) xn+(x-1)n+(x-2)n+...+1n

2. How can C(n,r) be represented in factorial form? n! over (n-r)! n! over (n-r+1)! n! over (n+r)! n! over (n-r)!r!

3. How many different masses can be obtained using weights of mass 1kg, 2kg, 5kg, and 10kg? 12 15 4 17

4. What is the probability of throwing a sum of 7 on two dice? 5 over 36 7 over 36 1 over 3 1 over 6

5. Given that the probability of an event A is 9 over 13, what are odds in favour of A? Answer: (Two numbers and colon in between)

6. In an ordered set of data, what is the value in the very middle called? Median Average Mode Mean

7. Which of the following is NOT a measure of dispersion? Interquartile Range Variance Mean Deviation Weighted mean

8. What does the Normal Distribution Graph look like? Randomly Distributed Ascending Bell-Shaped Descending

9. In how many ways can four people be seated around a circular table? 8 5 6 4

10. What is the symbol used to represent summation notation called? Answer: (One Word)