This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A local bank needs information concerning the savings account balances of its customers. A random ... (Read 44 times)

EY67

  • Hero Member
  • *****
  • Posts: 531
on: Jul 25, 2018
A local bank needs information concerning the savings account balances of its customers. A random sample of 15 accounts was checked.
 
  The mean balance was 686.75 with a standard deviation of 256.20. Find a 98 confidence interval for the true mean. Assume that the account balances are normally distributed. Round to the nearest cent.
  A) (326.21, 437.90 ) B) (238.23, 326.41 ) C) (513.17, 860.33 ) D) (487.31, 563.80 )

Question 2

For nominal data, we cannot set up inequalities.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 25, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


EY67

  • Hero Member
  • *****
  • Posts: 531
Reply #2 on: Jul 25, 2018
Thank you!


sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 25, 2018
Always glad to help...


« previous next »
 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

The flow of information in a eukaryotic cell The flow of information in a eukaryotic cell
Recommended Maximum Doses of Local Anesthetics with Vasoconstrictor Recommended Maximum Doses of Local Anesthetics with Vasoconstrictor
Psoriasis is a local contraindication for massage only during an acute outbreak. Psoriasis is a local contraindication for massage only during an acute outbreak.
The flow of genetic information in a typical cell The flow of genetic information in a typical cell
The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ... The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ...
A mother invests $9000 in a bank account at the time of her daughter's birth. The interest is ... A mother invests $9000 in a bank account at the time of her daughter's birth. The interest is ...
Video: Hemodynamics Animation

For a complete list of videos, visit our video library