× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
g
2
1
1
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
aggotfay aggotfay
wrote...
Go to Answer
Posts: 816
Rep: 0 0
7 years ago
The average starting salary for this year's graduates at a large university (LU) is 30,000 with a standard deviation of 8,000 . Furthermore, it is known that the starting salaries are normally distributed.
 a. What is the probability that a randomly selected LU graduate will have a starting salary of at least 30,400?
 b. Individuals with starting salaries of less than 15,600 receive a low income tax break. What percentage of the graduates will receive the tax break?
 c. What are the minimum and the maximum starting salaries of the middle 95 of the LU graduates?
 d. If 303 of the recent graduates have salaries of at least 43,120, how many students graduated this year from this university?
Read 134 times
1 Reply
Replies
Answer verified by a subject expert
clew0012clew0012
wrote...
#1
Top Poster
Posts: 1137
Rep: 3 0
7 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

aggotfay Author
wrote...

7 years ago
Helped a lot
Gamiung3657
wrote...

Yesterday
This helped my grade so much Perfect
noodlelicker
wrote...

2 hours ago
This site is awesome
New Topic      
Quick Reply
Bold
Italic
Underline
Strikethrough
Subscript
Superscript
Insert Math Equation
Font Name
Font Color
Align left
Center
Align right
Bullet list
Numbered list
Insert a horizontal rule
Insert a table
Insert a Quote
View source
Explore
Post your homework questions and get free online help from our incredible volunteers
  322 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 1140
  
 1101
  
 606
Your Opinion
What's your favorite math subject?
Votes: 701
Previous poll results: Which 'study break' activity do you find most distracting?