![Anabel818](/avatars/45714.jpg)
Anabel818
21.06.2019 •
Mathematics
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Solved
Show answers
More tips
- A Auto and Moto What Is the Cost of Customs Clearance for a Car in Russia?...
- L Leisure and Entertainment Should You Buy a Ceramic Knife?...
- C Computers and Internet How to easily and quickly disable Firebug in Gmail and Google Docs...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
Answers on questions: Mathematics
- M Mathematics Can someone me with this ? you! what are the key features of a linear function?...
- M Mathematics Sammy s home has a value of $180,000. If the property tax rate where he lives is 1.245% how much does he pay in property taxes? Enter your answer rounded to the nearest...
- G German Select the correct answer. quadrilateral abcd underwent a sequence of transformations to give quadrilateral a′b′c′d′. which transformations could have taken place?...
- B Business Burton Pharmaceuticals is a fast-growing drug company based in Dallas. Top executives at Burton realize that human capital plays an essential role in the continued success...
- M Mathematics Can someone be awesome and me with : (...
- L Law Jdjwd sdfjjskj adfjskfjs sdkjfhskjf sdjkfnhhskj...
Ответ:
12 x 2
6 x 2 x 2
3 x 2 x 2 x 2 x 2