2. Given the set S-ta,b,c,d,e,f,g,h) a) How many subsets does S have? b) How many subsets have exactly 5 elements? c) A subset is randomly chosen for the collection of all possible a) b) c) subsets. What is the probability that it contains exactly 3 elements? d) A subset is chosen at random from all the subsets. d) What is the probability that it contains the element a?
1. Define the set S = {a, b, c, d, e, f, g}. a. Give an example of a 4-permutation from the set S. b. Give an example of a 4-subset from the set S. c. How many subsets of S have two or more elements? d. How many subsets of S have 3 or 4 elements?
5. Binomial Coefficients (a) How many subsets with at least 5 elements does a set with 8 elements have? n+3 (b). Find the coefficient of z" in (3-2)+ (c). How many ways are there to walk down from the top of Pascal's Triangle and end somewhere on the number 20?
5. Binomial Coefficients (a) How many subsets with at least 5 elements does a set with 8 elements have? n+3 (b). Find the coefficient of z" in (3-2)+ (c). How...
Binomial Coefficients (a). How many subsets with at least 5 elements does a set with 8 elements have? (b). Find the coefficient of r" in (3 - 2.0)"+3. (c). How many ways are there to walk down from the top of Pascal's Triangle and end somewhere on the number 20?
Timelimit Total Points Possible: 19 How many subsets does the set D = {c, a, t} have? Questions Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q 13 Points possible: 1 This is attempt 1 of 1 Submit Q14 Q15 Q16 Q17 Q 18 Q19 Print Version 44 11 Feo F10 % & 2 3 4 7 9 W R E T Y U P O * CO est Timelimit: 1 hour, 15 minutes. 1: Which...
5. (3, 4, 3 points) Let A-a, b, c, d, e, f, g (a) how many closed binary operations f on A satisfy Aa, b)tc b) How many closed binary operations f on A have an identity and a, b)-c? (c) How many fin (b) are commutative? 6. 10 points) Suppose that R and R are equivalent relations on the set S. Determine whether each of the following combinations of R and R2 must be an equivalent relation. (a) R1...
How many protons (p) and electrons (e) does the ion Nbt have? Opt=41 e-=40 opt-41 e =42 p=40 e =41 p=41 e =41
11. Let the universal set be the set U = {a,b,c,d,e,f,g} and let A = {a,c,e,g} and B = {d, e, f, g}. Find: A ∪ B 12. Let the universal set be the set U = {a,b,c,d,e,f,g} and let A = {a,c,e,g} and B = {d, e, f, g}. Find: b. A ∩ B 13. Let the universal set be the set U = {a,b,c,d,e,f,g} and let A = {a,c,e,g} and B = {d, e, f, g}. Find: AC...
(1 point) Let a graph have vertices C, D, E, F, G, H and edge set {{C, D},{C, E}, {C, F}, {C, H},{D, E}, {D, F}, {D, G}, {F,G}}. a. What is the degistrerte 2 bow What is the degree of vedexOT c. How many components does the graph have? 2
If a given set has thirteen elements, how many of its subsets have somewhere from four through eight elements?