If only 15% of people asked to mail in a survey respond, this is an example of
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A: The p^ denotes the proportion calculated from the sample, it is the points estimated for the study.
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- Hi, How do I calcuate these missing values?In a survey of 3428 adults aged 57 through 85 years, it was found that 87.6% of them used at least one prescription medication. Complete parts (a) through (c) below. ..... a. How many of the 3428 subjects used at least one prescription medication? (Round to the nearest integer as needed.)A sociologist sampled 200 people who work in computer-related jobs, and found that 42 of them have changed jobs in the past six months. Can you conclude that more than 15% of computer-related workers have changed jobs in the past six months?
- In a recent survey [YouGov, 11th–16th June 2020], 1088 adults were asked (amongst other questions) if they thought Watford counted as part of London. The following excerpt from the results shows the number of survey participants in different age categories and the percentage of them saying that they did consider Watford as part of London. Age 18-24 25-49 50–64 65+Number of participants 124 544 247 173 Percentage saying Watford is in London 31 34 15 19Would observations or interviews be more appropriate to research the following topic?How politicians define family values.O ObservationsO InterviewsA coach is interested in how many slam dunks the average college freshman at his university can do. Ten volunteers from the senior class step forward. After observing their performance, the coach concluded that college seniors can do an average of 10 slam dunks in a row without missing. what is the sample? what is the population?
- About 7% of the popular has a mutation. 100 people are randomly selected. What is the mean for the number of people with a mutation?The nationwide adult smoking rate is 17.3%. In a random sample of 3647 American adults, how many of these are likely to smoke? Round to the nearest integer.A serving for brand recognition is done and it is determined that 68% of consumers have heard of dull computer company. A survey of 800 randomly selected consumers is to be conducted. For such groups of 800, would it be unusual to get 490 for consumers who recognize the dull computer company name?
- A sample of 120 employees of a company is selected, and the average age is 37 is an example of . Survey responses of "good, better, best" is an example of . A tax auditor selects every 1000th income tax return to audit is an example of . The number of floors in a building is an example ofThere are 160 questions on a test, and they are all multiple choice questions with four possible answers. For each question, only one answer is correct. Find the mean number of correct answers for someone who make random guesses for all of the questions.Suppose 20% of the students on campus smoke. You select two students at random. In what percentage of samples will both students be smokers?
