subject
Mathematics, 27.09.2019 02:00 salvadorperez26

The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. the sample standard deviation is s = 0.36. construct a 95% two-sided confidence interval for σ. assume population is approximately normally distributed. round your answers to 4 decimal places.

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:00, megababe04
What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4
Answers: 1
image
Mathematics, 21.06.2019 23:00, FailingstudentXD
What is the sum of the first 8 terms of the geometric series
Answers: 3
image
Mathematics, 21.06.2019 23:00, karyme12
I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )
Answers: 1
image
Mathematics, 22.06.2019 00:30, wbrandi118
On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each
Answers: 3
You know the right answer?
The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selecte...

Questions in other subjects: