Determine whether the following problem involves a permutation or combination. (It is not necessary to solve the problem.)A medical researcher needs 15 people to test the effectiveness of an experimental drug. If 46 people have volunteered for the test, in how many ways can 15people be selected?The problem involves aV because theof patients selectedV matter.

The only difference between permutation and combination is , In permutation the order of the subject…

Answered: Determine whether the following problem…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Dr. Lawrence has minimized his wardrobe during the fall of 2020, since there's no reason to dress up fancy these days. He has three pairs of jeans, five sweatshirts, and four hats that he puts to regular use. If he were to select his outfit for the day at random, how many different jean-sweatshirt-hat combinations are there? 6.
A statistics instructor would like to know whether it is worthwhile to require students to do weekly homework assignments. For Section1 of the course, homework is assigned, collected and graded each week. In Section2, students are not required to turn in homework. At the end of the semester, the students are given the same final exam. In Section1, the numbers of students getting each grade are: 16 students got A, 22 students got B, 8 students got C, and 4 students got D. In Section2, the numbers of students getting each grade are: 8 students got A, 18 students got B, 18 students got C, and 6 students got D. Is there an association between assigning homework and exam grade? Test at the alpha = 0.05 level. a. We reject the null hypothesis with two-tailed critical values; there is an association between assigning homework and exam grade. b. We reject the null hypothesis with one-tailed critical value; there is an association between assigning homework and exam…
Solve the following problem on combination. Show your complete solution. How many different sets of 5 cards each can be formed from a standard deck of 52 cards?
2. Please answer all three parts of this question. 1. You are designing a 2x3 factorial design and need 20 participants in each of 6 conditions. How many participants in total would be needed for a 2x3 independent groups (between-subjects) design? How many participants in total would be needed for a 2x3 repeated-measure groups (within-subjects) design? How many participants in total would be needed for a 2x3 mixed factorial design?
If a test has four true/false questions, in how many ways can there be two answers that are false and two answers that is true? a. 10 b. 8 c. 6 d. 4
Suppose that in a survey of five-year-olds, 45% liked the letter A, 54% liked the letter B, and 50% liked the letter of C. 29% liked A and B, 28% liked A and C, 29% liked B and C, and 15% liked all of them. What percentage liked A and B but not the letter C?
i need the answer quickly
1. Read and analyze the following problems. Write your solution on a sheet of paper. The coach of the winning basketball team chooses 3 of the 15 members to be interviewed by a sports reporter. In how many ways can the members to be interviewed be chosen? A poker hand consists of 5 cards chosen at random from a standard deck of cards. How many poker hands containing all face cards are possible? 2. 3. Suppose 7 female and 6 male applicants have been successfully screened for 5 positions. In how many ways can the following compositions be selected? a. 5 people regardless of gender b. 3 females and 2 males C. at least 3 females d. 4 females and 1 male e. 5 females 4. In a game of poker, a full house is a combination of 5 cards chosen from a standard deck of cards with three of a kind and two of a kind. How many full houses are possible?
A team of six girls and five boys put together a 2,200-piece jigsaw puzzle in four hours. The same puzzle was put together in eight hours by a team of two girls and five boys. Are boys or girls more efficient at putting together jigsaws, and by what proportion is one gender better than the other?
Twelve classmates are taking a picture side by side. A. In how many ways can they take the picture if there are not restrictions? B. In how many ways can they take the picture if two best friends must stand side by side? C. Using the results from A and B, in how many ways can the best friends not stand side by side?
During a special promotion, a customer purchasing a computer and a printer is given a choice of 3 free software packages. There are 10 different software packages from which to select. How many different groups of software packages can be selected? Hint: This is a Combination problem! 120 604,800 360 720
Q6 How many different ways are there to select a group of 4 out of 6 people for a cyber-sport team with 4 distinct roles?

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