Mathematics, 29.03.2021 15:30 Diamond4614
Ms. Romano, a city council member, decides to develop a survey. (a) Give an example of a question she could ask on her survey. (b) How could she select a simple random sample of drivers to take her survey? (c) She gives out 220 surveys but receives only 55 completed surveys. What are the sample and population for Ms. Romano's research? (d) Of the 55 drivers who completed surveys, 11 said that they text while driving. If Ms. Romano uses only the completed surveys, what conclusion could she make about the percent of drivers in her city who text while driving?
Answers: 2
Mathematics, 21.06.2019 15:00, kayleenfifep3hgi4
Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.
Answers: 2
Mathematics, 21.06.2019 16:30, RealGibbon857
The temperature of chicken soup is 192.7°f. as it cools, the temperature of the soup decreases 2.3°f per minute. what is the temperature in degrees fahrenheit of the soup after 25 minutes? a. 27.3°f b. 57.5°f c. 135.2°f d. 250.2°f
Answers: 1
Mathematics, 21.06.2019 20:30, cogger9348
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
Answers: 1
Ms. Romano, a city council member, decides to develop a survey. (a) Give an example of a question sh...
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