Fill This Form To Receive Instant Help

Help in Homework
trustpilot ratings
google ratings


Homework answers / question archive / Columbus State Community College STAT 1350: Elementary Statistics  Normal Distribution 1)Students taking an introductory statistics class reported spending an average of $205 on textbooks that semester with a standard deviation of $60

Columbus State Community College STAT 1350: Elementary Statistics  Normal Distribution 1)Students taking an introductory statistics class reported spending an average of $205 on textbooks that semester with a standard deviation of $60

Statistics

Columbus State Community College

STAT 1350: Elementary Statistics 

Normal Distribution

1)Students taking an introductory statistics class reported spending an average of $205 on textbooks that semester with a standard deviation of $60. A rough sketch of the histogram looked like:

 

 

 
   

 

 

 

 

 

 

 

 

 

  1. 68% of students spend between 145 and 265.

 

  1. 95% of students spend between 85 and 325.

 

  1. 99.7% of students spend between 25 and 385.

 

  1. Approximately what percentage of the students spent between $175 and $250 on textbooks that semester?

 

 

 

 

 

 

 

 

  1. One student spent $187 on textbooks. What percentage of the students spent less than she did on textbooks that semester?

 

 

 

 

 

 

 

 

 

 

 

  1. 10% of students spend less than $127 on textbooks.

 

 

 

 

  1. 35% of students spend more than $283 on textbooks.

 

 

 

 

Option 1

Low Cost Option
Download this past answer in few clicks

2.83 USD

PURCHASE SOLUTION

Already member?


Option 2

Custom new solution created by our subject matter experts

GET A QUOTE