Mathematics, 13.11.2019 23:31, amyeileen
How heavy a load (pounds) is needed to pull apart pieces of douglas fir 4 inches long and 1.5 inches square? here are data from students doing a laboratory exercise:
33190 31860 32590 26520 33280
32320 33020 32030 30460 32700
23040 30930 32720 33650 32340
24050 30170 31300 28730 31920
suppose that the strength of pieces of wood like these follows a normal distribution with standard deviation, 3000 pounds. let u (in greek) denote the mean load required to pull the wood apart.
a) give a 95% confidence interval for the mean load required to pull the wood apart.
suppose that the strength of pieces of woodl ike these follows a normal distribution with standard deviation being unknown to us.
b) give a 90% confidence interval for the mean load required to pull the wood apart.
Answers: 1
Mathematics, 21.06.2019 19:00, campbellkruger
If olu is twice as old as funmi if the sum of their ages is 60 how old is olu
Answers: 1
Mathematics, 21.06.2019 20:50, peachijmin
These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?
Answers: 2
Mathematics, 21.06.2019 23:00, grettelyesenia
Find the dimensions of the circle. area = 64π in.² r= in.
Answers: 1
How heavy a load (pounds) is needed to pull apart pieces of douglas fir 4 inches long and 1.5 inches...
Chemistry, 17.06.2020 13:57
History, 17.06.2020 13:57
Mathematics, 17.06.2020 13:57
Medicine, 17.06.2020 13:57
History, 17.06.2020 13:57
Mathematics, 17.06.2020 13:57