SAT, 13.06.2021 07:30 MarishaTucker
An advertiser was about to launch an advertisement campaign for a new product. He conducted a random survey to find the preference for the new product among the respondents. Based on his previous experience, he found the standard deviation for the population as 4. Because the population mean was not known to him, he randomly selected 25 responses and found that the sample mean preference for the new product was 10. Which of the following parameters did he use to calculate a confidence interval at the 95% confidence level for this population mean?
Answers: 3
SAT, 24.06.2019 21:30
Which of the following best describes the difference between “autobiography” and “memoir”? a. autobiography is written about the author's own interpretation of events; memoir is a written interpretation of events. b. memoir covers a particular time in the writer’s life or recounts life events around one or two themes; autobiography covers the entire story of the author's life and has multiple themes. c. autobiography covers the entire story of the writer's life and has multiple themes; memoir is a shorter written work with one theme. d. autobiography covers entire story of the writer's life and has multiple themes; memoir is the writer’s random memories about past experiences.
Answers: 1
SAT, 27.06.2019 01:30
A24-n net force acts on a 8-kg rock.what is the acceleration of the rock?
Answers: 1
SAT, 27.06.2019 14:00
Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?
Answers: 2
An advertiser was about to launch an advertisement campaign for a new product. He conducted a random...
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