Mathematics, 21.10.2020 16:01, masonprice
Problem 2: Concrete beams can fail in flexural mode or shear mode. A structural lab has 15 failed concrete beam - 9 of which failed in flexural mode, 6 of which failed in shear mode. • How many ways are there to randomly select 6 of these beams for a thorough inspection (without worrying about the order)? (2 points) • In how many ways can a sample of 6 beams can be randomly selected, so that exactly 5 of them failed in shear mode? (2 points) • If a random sample of 6 beams is selected, determine the probability that atleast 5 of them failed in shear mode? (3 points)
Answers: 2
Mathematics, 21.06.2019 21:40, salinasroel22
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Mathematics, 22.06.2019 02:00, haybales6019
During how many months was the difference between the number of days with homework and with no homework greater than 6?
Answers: 1
Problem 2: Concrete beams can fail in flexural mode or shear mode. A structural lab has 15 failed co...
Social Studies, 08.07.2019 13:30