A) number of ways to select 3 students = 45C3 = 45! / (3! * (45-3)!) = 14190
B) number of ways to select 3 students = 45P3 = 45! / (45-3)! = 85140
C) number of ways to select a shirt and a tie = 20 * 10 = 200
16) In how many ways can you select: a) three students from a class of 45...
Question 7 (1 point) In how many ways can 4 female students and 3 male students be selected from a class with 17 female and 13 male students? Your Answer: Answer Question 8 (1 point) In how many ways can a president, vice-president, treasurer, and secretary be selected from a class of 55 students? Your Answer: Answer Question 9 (1 point) Suppose you want to purchase a new wardrobe that has a variety of clothes that can all be worn...
On a certain day in class, 45% of the students were wearing jeans. Also on the same day, 28% of the students were wearing jeans and t-shirts. If you randomly select a student who is wearing a pair of jeans (that day), what is the probability that she/he is also wearing a t-shirt?
25. Task Assignments How many ways can an adviser choose 4 students from a class of 12 if they are all assigned the same task? How many ways can the students be chosen if they are each given a different task?
A class has 32 students. In how many different ways can four students form a group for an activity? (Assume the order of the students is not important.) There are different ways that the four students can form a group for an activity. (Type a whole number.)
Select all of the following situations that represent permutations rather than combinations. Choosing 5 people from a university program with 28 students to receive scholarships. Ways to line up the team along the blue line of a hockey rink prior to O Canada! Choosing an outfit consisting of tie, shirt, jacket, shoes, and trousers from a wardrobe with several of each. Taking the 10 best selling video games of the year and ranking them from best to worst. Matching 4...
iz Instructions Question 3 How many ways are there to select 11 students from a 30-member debate team to represent a school? 7 Paragraph 301/(30-11)l
In how many ways can a president, vice-president, treasurer, and secretary be selected from a class of 50 students?
How many different three person study groups can be formed from a class of nineteen students?
3. Suppose my graph theory class has 12 different students, of which 6 are under- grads and 6 are graduate students. (a). How many ways can I choose at least 4 but no more than 8 of my students to take a field trip to the library? (b). I want to repeat part (a), but I want to be sure to take at least 2 undergrads. (c). I have 3 different final projects for them to work on (projects A,...
A class of 22 students, 7 are seniors and 15 are juniors. In how many ways can we choose a group of 6 people if. . . (a) three are to be selected from seniors and three from juniors? (b) at least three are to be selected from juniors? (c) Ashley (one of the 22 students) must be included in the group (with no additional requirements)? (d) 3 of the selected students must be assigned the jobs of writer, presenter,...