Mathematics, 17.12.2019 02:31 arjava1008
One hundred draws are made at random with replacement from box a, and 250 are madeat random from box b.(a) 50 of the draws from box a are positive, compared to 131 from box b: 50.0% versus52.4%. is this difference real, or due to chance? (b) the draws from box a average 1.4 and their sd is 15.3; the draws from box b average6.3 and their sd is 16.1. is this difference between the averages statistically different?
Answers: 3
Mathematics, 21.06.2019 16:30
Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?
Answers: 1
Mathematics, 21.06.2019 21:00
Find the perimeter of the triangle with vertices d(3, 4), e(8, 7), and f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.
Answers: 1
Mathematics, 21.06.2019 23:40
The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )
Answers: 2
One hundred draws are made at random with replacement from box a, and 250 are madeat random from box...
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