236Chapter 4 Probability and Counting Rulescan a student select 3 of these species to write a reportabout them? The order of selection is important.33.18. Inspecting Restaurants How many different ways cana city health department inspector visit 5 restaurants in acity with 10 restaurants?34.19. Word Permutation How many different 4-letterper-mutations can be written from the word hexagon?20. Cell Phone Models A particular cell phone companyoffers 4 models of phones, each in 6 different colorsand each available with any one of 5 calling plans. Howmany combinations are possible ?3521. ID Cards How many different ID cards can be madeif there are 6 digits on a card and no digit can be used3more than once?22. Free-Sample Requests An online coupon service has13 offers for free samples. How many different requestsare possible if a customer must request exactly 3 freesamples? How many are possible if the customer mayrequest up to 3 free samples?23. Ticket Selection How many different ways can 4 ticketsbe selected from 50 tickets if each ticket wins a differentprize?24. Movie Selections The Foreign Language Club is

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Answered: 236 Chapter 4 Probability and Counting…

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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Hello need help with this discrete math question, with details on how to do it. Thank you. A birdcage contains 4 macaws, 4 parrots, 4 canaries, and 4 finches. Each group has a bird of the colors white, green, red, and yellow. a. How many ways can a red bird be chosen? b. How many ways can a green bird or a canary be chosen? c. How many ways can three birds be chosen so that each have a different color?
Rolling a fair six-sided die is supposed to randomly generate the numbers 1 through 6. Explain what random means in this context. 03 03 Choose the correct answer below. O A. That if a 1 is rolled it that means that each other number was not rolled. O B. That each result will not be influenced by the previous result of the die roll. O C. That the only possible outcomes are 1, 2 , 3 , 4, 5, and 6. O D. That in the long run, a fair die will produce roughly equal amounts of the numbers 1 through 6 when rolled. But for each roll each value 1 through 6 is equally likely.
A nutritionist claims that children 13 to 15 years old are consuming less than the recommended iron intake of 20.5 mg. To test the nutritionist's claim of iron deficiency, a random sample of children 13 to 15 years old will be obtained. Assume that the data for iron intake follows the normal distribution with a standard deviation of 4.75 mg. Find the size of the sample that you should take if you want to estimate the true mean iron intake to within 1 mg with 99% confidence. 62 149 O 150 O 61
What's New Examine the pattern of chairs in a theater. Then, complete the table and answer the guide questions below it. row 1 Count the number of chairs in each row and record the results in a table. Row number (n) Number of chairs(an) 1 2 3 4 5 6 Guide Questions 1. Is there a pattern in the number of chairs per row? If there is, describe it. 2. How is each term (number of chairs in a row) found? 3. What is the difference between any two consecutive terms (no. of chairs per row)? 4. If the pattern continues, how many chairs are there in the 10th row? 5. Suppose you want to find the number of chairs in the 20nh row and the 30th row. How would you get them? 6. Was it easy to find the number of chairs in the 20th row and 30th row? Do you think a formula would help? 3.
Decide! Permu or Combi. Write the word "osax" on the space before the item number if the given situation is a permutation; and, "pili" if it is a combination. 1. Opening a combination lock 2. Selecting 5 people to form a committee from 10 members 3. Choosing 10 problems to answer out of 15 problems in a test 4. Assigning seats to guests of a special occasion 5. Winning in a race
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WRITE THE NUMBER ONLY. (no need for explanation)EXAMPLE: 1 Classify the following statements as:1 - Simple Random Sampling2 - Stratified Sampling3 - Systematic Sampling4 - Cluster Sampling 1. In a university of 1,000 students a survey was to be taken to determine how many students are left-handed. It was found out that 8% of the student population are left-handed. 2. A study in the wake of a natural disaster divides a population according to region, then choose a region randomly to begin establishing the disaster's overall effect. 3. A pharmaceutical company wants to test the effectiveness of a new drug. The first group will receive the new drug; the second group will receive a placebo. 4. A study was conducted to determine whether a new schooling program affects the test scores of students. The scores were grouped by family income category. 5. A survey about timekeeping divides the population by time zone, then take 100 random samples per zone. 6. A test tracking physical…
Imagine you’re running a basketball camp. You have all 20 athletes put their name in the cap, and you pull out 5 at random to create a team. a. How many different combinations of teams could you pull? b. How many time more permutations are there than combinations

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