Mathematics, 24.04.2020 20:44 Suphat
8) A researcher computes a 90% confidence interval for the mean weight (in pounds) of widgets produced at a factory. The interval is (7.2, 8.9). Which of these is a correct interpretation of this interval? a) Out of all the widgets produced in all widget factories, 90% weigh between 7.2 and 8.9 pounds. b) We can be 90% confident that all the widgets weigh between 7.2 and 8.9 pounds. c) There’s a 90% chance the population mean is between 7.2 and 8.9 pounds. d) Ninety percent of all sample means are equivalent to the true mean weight of all widgets. e) We are 90% confident that the true mean weight of widgets is between 7.2 and 8.9 pounds.
Answers: 3
Mathematics, 21.06.2019 19:00, aceves5493
After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?
Answers: 2
Mathematics, 21.06.2019 23:30, ashiteru123
The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed. use 3.14 for π .
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Mathematics, 22.06.2019 01:10, girdwood797
|p| > 3 {-3, 3} {p|-3 < p < 3} {p|p < -3 or p > 3}
Answers: 2
8) A researcher computes a 90% confidence interval for the mean weight (in pounds) of widgets produc...
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