rsetser6989
28.06.2019 •
Mathematics
In order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. assume the population standard deviation is 1.8 hours. a) find standard of error of the mean? b) with a 0.95 probablity, what is the margin of error (approximately)? c) if the sample mean is 9 hours, then the 95% confidence interval is approx?
Solved
Show answers
More tips
- H Health and Medicine What to Do If You Are Bitten by a Dog?...
- A Animals and plants How ants survive winter: exploring the secrets of their winter life...
- F Food and Cooking Discover How to Properly Prepare Dough for Rasstegai...
- P Philosophy Unidentified Flying Object - What is the Nature of this Phenomenon?...
- F Family and Home Protect Your Home or Apartment from Pesky Ants...
- O Other What is a Disk Emulsifier and How Does it Work?...
- F Family and Home What does a newborn need?...
- F Family and Home Choosing the Right Car Seat for Your Child: Tips and Recommendations...
- F Food and Cooking How to Get Reconfirmation of Registration?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
Answers on questions: Mathematics
- M Mathematics Fishermen have been studying how the number of dead fish in the local lake is related to the pollution index of the lake. The number of fish deaths per year is modeled...
- M Mathematics L 5-x l+6=5 Would it be no solution?...
- M Mathematics Which equation represents eight times a number and five is sixty-nine?...
- M Mathematics A10 = -9 and a10 = -109...
- M Mathematics 4 3 2. A basket contained oranges and bananas only. Mary removed of the bananas and of the oranges from the basket. In all, she took 20 fruits. If half of the fruits...
- M Mathematics Which of the following expressions are equivalent to 2(x + 5) + 6(x + 5) ? A) 8x + 40 B) x + 5 C) 8(x +10) D) x + 8...
- M Mathematics What is the equation of the line that passes through the point (6,3) and has a slope of -1/3? ANSWER NEEDED ASAP!!...
- M Mathematics There is a question that says: If the measure of angle MNP=107, what is the measure of angle NMQ? Which theorem did you use in part A? Would the answer be the opposite...
- M Mathematics In each of the following numbers write down the significant figure specited in the bracket:...
- M Mathematics When number represents temperature, positive numbers indicate temperature that are warmer than zero and negative numbers indicate temperature that are colder than...
Ответ:
A: The data set is symmetrical.
Step-by-step explanation: