An experiment consists of rolling two fair dice and adding the dots on the two sides facing up. Find the probability of the sum of the dots indicated. A sum…
Month: November 2015
Problem 1162
Is the selection a permutation, a combination, or neither? Sam rents 5 videos from a video store. Solution:- Use the definition of permutation and combination to determine the…
Problem 1161
Is the selection a permutation, a combination, or neither? Ten woman in a salon are dying their hair blonde, brunette, black, or red. Solution:- Use the definitions of…
Problem 1160
Each of 2 countries sends 3 delegates to a negotiating conference. A rectangular table is used with 3 chairs on each long side. If each country is assigned a long…
Problem 1159
For P = {3,5,9,14}, Q = {1,6,12}, and R = {4,6,9,12}, find P U (Q∩R). Solution:- The union of sets A and B, denoted by A U B,…
Problem 1158
Let U = {16,25,36,49,64,81} and A = {16,25,36} . Find A’. Solution:- The complete of A (relative to the universal set U), denoted by A’, is the set…
Problem 1157
Write the resulting set using the listing method. {x | x is an old number between 11 and 19, inclusive} Solution:- The listing method listed all the elements…
Problem 1156
Write the resulting set using the listing method. {x | x2=9} Solution:- S = {x | P(x)} means “S is the set of all x such that P(x)…
Problem 1155
Write the resulting set using the listing method. {5,6,7}∩ {2,3} Solution:- The intersection of sets A and B, denoted by A ∩ B, is the set of elements…
Problem 1154
Write the resulting set using the listing method. {3,9,15} U {9,13,15} Solution:- A U B = {x | x ϵ A or x ϵ B} Remember that the…
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