Mathematics, 25.12.2019 17:31 sassyunicorngir
Extruded plastic rods are automatically cut into nominal lengths of 6 inches. actual lengths are normally distributed about a mean of 6 inches and their standard deviation is 0.06 inch.
(a) what proportion of the rods have lengths that are outside the tolerance limits of 5.9 inches to 6.1 inches?
(b) to what value does the standard deviation need to be reduced if 99% of the rods must be within tolerance?
Answers: 2
Mathematics, 21.06.2019 17:30
Thelime contains the point(-3,0) and parallel x-3y=3( show all work)
Answers: 3
Mathematics, 21.06.2019 21:40
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 00:00
Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)
Answers: 1
Mathematics, 22.06.2019 03:00
The hockey team has been great! in 2008 they won 20% more games than in 2007. in 2009 they won 50% more games than in 2008. what was their overall percentage increase from 2007 through 2009?
Answers: 2
Extruded plastic rods are automatically cut into nominal lengths of 6 inches. actual lengths are nor...
Social Studies, 23.07.2019 02:30
Biology, 23.07.2019 02:30
Chemistry, 23.07.2019 02:30
Business, 23.07.2019 02:30
Business, 23.07.2019 02:30