In how many ways can 8 persons be seated around a table with 8 chairs if twoindividuals wanted to be seated side by side? Answer must be a wholenumber. Sample Answer: 3880

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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. A. Ventura is interested in determining what kinds and how many pets people own in Bakersfield. He stands outside Petco and asks people what kind of pet they own. This is the result of his survey: dog=1; cat=2; bird=3; reptile=4; fish=5; other=6 1,1,2,2,2,1,1,3,2,3,1,1,1,2,2,4,4,2,2,1,1,1,5,4,3,4,1,1,1,2,2,6,1,1,2,2,1,2,1,2,6,3,4,5
A political scientist surveys 25 of the current 116 representatives in a state's congress.What is the size of the sample: What is the size of the population:
Last year, 41% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year Indicates that 33% planned to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 50 business owners. a. How many business owners In the survey planned to provide a holiday gift to their employees this year? Round your answer to the nearest whole number. b. Suppose the business owners in the sample do as they plan. Conduct a hypothesis test that can be used to determine whether the proportion of business owners providing holiday gifts had decreased from last year. State the hypotheses. Họ :p-Select your answer- 0.41 H.P Select your answer- J0.41 Compute the test statistic and p-value. z-value (to 2 decimals) p-value (to 4 decimals) c. Using a 0.05 level of significance, would you conclude that the proportion of business owners providing gifts decreased? - Select your answer- v Ho. We - Select your answer - v conclude that…
Catherine Chao, Director of Marketing Research, needs a sample of households to participate in the testing of a new toothpaste package. She directs the seven members of her staff to find five households each. Catherine's sample is a cluster sample proportionate stratified sample quota sample disproportionate stratified sample simple random sample O O O
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A department store sells sport shirts in three sizes (small, medium, and large), three patterns (plaid, print, and stripe), and two sleeve lengths (long and short). The accompanying tables give the proportions of shirts sold in the various category combinations. Short-sleeved Pattern Size Pl Pr St S 0.04 0.02 0.05 M 0.08 0.05 0.12 L 0.03 0.07 0.08 Long-sleeved Pattern Size Pl Pr St S 0.03 0.02 0.03 M 0.07 0.10 0.07 L 0.04 0.02 0.08 (a) What is the probability that the next shirt sold is a medium, long-sleeved, print shirt?(b) What is the probability that the next shirt sold is a medium print shirt?(c) What is the probability that the next shirt sold is a short-sleeved shirt? A long-sleeved shirt? short-sleeved shirt long-sleeved shirt (d) What is the probability that the size of the next shirt sold is medium?What is the probability that the pattern of the next shirt sold is a…
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In how many ways can 8 persons be seated around a table with 8 chairs if two individuals wanted to be seated side by side? Answer must be a whole number. Sample Answer: 3880