Mathematics, 06.05.2020 02:09 fatimitashikita
A statistician is testing the null hypothesis that exactly half of all engineers will still be in the profession 10 years after receiving their bachelor's. She took a random sample of 200 graduates from the class of 1979 and determined their occupations in 1989. She found that 111 persons were still employed primarily as engineers. (a) Construct a 95% confidence interval estimate for the proportion of engineers remaining in the profession. (Ignore the continuity correction and use the formulas on p. 314.)
a. Lower limit =
b. Upper limit =
Answers: 3
Mathematics, 21.06.2019 15:10, teamzomaxx6584
What is the equation of the graph below? y=sec(x)-4
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Mathematics, 21.06.2019 20:00, beverlyamya
Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?
Answers: 2
Mathematics, 21.06.2019 23:40, breannaasmith1122
Me d is also an option but i couldn't get it in the picture
Answers: 2
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