A survey of 519 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 180 watched TV 164 hung out with friends 189 ate pizza 47 watched TV and ate pizza, but did not hang out with friends 30 watched TV and hung out with friends, but did not eat pizza 39 hung out with friends and

A survey of 519 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 180 watched TV 164 hung out with friends 189 ate pizza 47 watched TV and ate pizza, but did not hang out with friends 30 watched TV and hung out with friends, but did not eat pizza 39 hung out with friends and

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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A survey of 546 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 183 watched TV 163 hung out with friends 46 watched TV and ate pizza, but did not hang out with friends 35 watched TV and hung out with friends, but did not eat pizza 45 hung out with friends and ate pizza, but did not watch TV 41 watched TV, hung out with friends, and ate pizza 67 did not do any of these three activities How may 18-24 year olds (of these three activities) only ate pizza last Friday night?
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A consumer survey was conducted to examine patterns in ownership of tablet computers, cellular telephones, and Blu-ray players. The following data were obtained: 311 people had tablet computers, 236 had cell phones, 265 had Blu-ray players, 65 had all three, 62 had none, 92 had cell phones and Blu-ray players, 57 had cell phones but no computers or Blu-ray players, and 108 had computers and Blu-ray players but no cell phones. (Round your answers to one decimal place.) A) What percent of people surveyed owned a cell phone? B) What percent of the people surveyed owned only a cell phone?
will give 100% rating thumbs up if answered all!! A box contain 5 green, 7 yellow, and 10 orange pingpong balls. How many ways can 5 balls be selected, if: a. two must be green?b. two are orange and three are yellow?c. one is green and four are orange?d. three are of one color and two are of another color?
10. For adults, certain type of cancers can be treated with multiple health interventions. To gain information about all Maryland-based treatment centers a survey is sent to a randomly chosen group of 25 Maryland based treatment centers that asks about the recommended interventions for cancer patients based on medical records, insurance, and income. All of the randomly selected treatment centers completed the survey. The sample is: For adults, certain type of cancers can be treated with multiple health interventions. To gain information about all Maryland-based treatment centers a survey is sent to a randomly chosen group of 25 Maryland based treatment centers that asks about the recommended interventions for cancer patients based on medical records, insurance, and income. All of the randomly selected treatment centers completed the survey. The sample is: a. the 25 Maryland-based treatment centers b. the medical records, insurance, and income c. all Maryland-based treatment…
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A survey of 1088 adults in a country, asking "As you may know, as part of its effort to investigate terrorism, a federal government agency obtained records from larger telephone and Internet companies in order to compile telephone call logs and Internet communications. Based on what you have heard or read about the program, would you say that you approve or disapprove of this government program?" Of those surveyed, 588 said they disapprove. a. Determine and interpret the sample proportion. b. At the 10% significance level, do the data provide sufficient evidence to conclude that a majority (more than 50%) of adults in the country disapprove of this government surveillance program? ..... a. The sample proportion is (Round to two decimal places as needed.) The sample proportion from this study is the proportion of adults in the that of the government surveillance program. b. What are the hypotheses for the one-proportion z-test? Ho: p= Ha:p (Type integers or decimals.) What is the test…
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