In each of several uccessive days of production a certain soda can, 70 cans are tested and the number of defects each day are listed below:
3, 2, 5, 1, 2, 6, 4, 4.
For the control chart for the proportion of deficient coins produced during the 8 days, find the following:
(a) The center line: p¯=
(b) The upper control limit: UCL =
(c) The lower control limit: LCL=

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations