Mathematics, 28.12.2019 01:31 journeewilliams735
Unoccupied seats on flights cause airlines to lose revenue. suppose a large airline wants toestimate its average number of unoccupied seats per flight over the past year. 225 flight records are randomly selected and the number of unoccupied seats is noted with a sample mean of 11.6 seats and a standard deviation of 4.1 seats. calculate a 90% confidence interval for , the mean number of unoccupied seats per flight during the past year. a. [4.86 18.34]b. [11.25 11.95]c. [11.57 11.63]d.[11.15 12.05]e. [11.30 12.20]
Answers: 1
Mathematics, 22.06.2019 00:50
The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .
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Mathematics, 22.06.2019 01:00
Use the drop-down menus to complete the statements to match the information shown by the graph.
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Mathematics, 22.06.2019 01:30
Adriana had a garden where he measured the height of a corn plant. what. on the first day,it was 145 cm tall.after 2 weeks is grew by 23 cm.what is the height of the corn plant
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Mathematics, 22.06.2019 02:00
The table shows values for functions f(x) and g(x) . x f(x)=−4x−3 g(x)=−3x+1+2 −3 9 179 −2 5 53 −1 1 1 0 −3 −1 1 −7 −7 2 −11 −25 3 −15 −79 what is the solution to f(x)=g(x) ? select each correct answer.
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Unoccupied seats on flights cause airlines to lose revenue. suppose a large airline wants toestimate...
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