thickness3704
25.09.2021 •
Mathematics
GEOMETRY
PLEASE HELP ME MATCH THESE ASAP!
Thank you!!
Solved
Show answers
More tips
- F Family and Home Do Lullabies Help Babies Sleep or Is it Just a Myth?...
- H Health and Medicine Tick Traps: How to Remove Them Safely and Effectively...
- S Society and Politics Why are thugs called gopniks ? A fascinating journey through Russian subculture...
- A Animals and plants Want a Perfect Lawn? Learn How to Plant Grass the Right Way...
- A Animals and plants How to Properly Care for a Pet Decorative Rabbit at Home?...
- C Computers and Internet How to Check the Speed of My Internet?...
- H Health and Medicine 10 Ways to Cleanse Your Colon and Improve Your Health...
- W Work and Career How to Write a Resume That Catches the Employer s Attention?...
- C Computers and Internet Е-head: How it Simplifies Life for Users?...
- F Family and Home How to Choose the Best Diapers for Your Baby?...
Answers on questions: Mathematics
- M Mathematics Dean mixed together different kind of nuts as a snack. There were 9 nuts in the bowl, 7 of which were hazelnuts. If Dean randomly chose to eat 6 of the nuts, what is the probability...
- M Mathematics Subtract 3 — (—3) answer idk...
- M Mathematics Isaiah creates 5 music playlists for a party. Each playlist has 10 songs. How many songs did Isaiah include in all of his playlists?...
- M Mathematics Find the surface area of the cube shown below....
- M Mathematics Help please it’s urgent...
- M Mathematics 4) If Scott Corbett invests $5,000 at 6% compounded quarterly, how long will it be before his investment has grown to $14,000?...
- M Mathematics Using the quadratic formula to solve 2x2 = 4x – 7, what are the values of x?...
- M Mathematics Data, DAta everywhere k12 assignment plS help...
- M Mathematics Solve this problem: X+7=12...
- M Mathematics B. 7) 3z + 8 - 2 = -35...
Ответ:
a.) $50188 to $57812
Step-by-step explanation: Confidence Interval (CI) is an interval of values in which we are confident the true mean is in.
The interval is calculated as
x ±
a. For a 95% CI, z-value is 1.96.
Solving:
54,000 ±
54,000 ±
54,000 ± 1.96*1732.102
54,000 ± 3395
This means the interval is
50605 < μ < 57395
With a 95% confidence interval, the mean starting salary of college graduates is between 50605 and 57395 or from 50188 to 57812$.
b. The mean starting salary for college students in 2017 is $50,516, which is in the confidence interval. Therefore, since we 95% sure the real mean is between 50188 and 57812, there was no significant change since 2017.