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 92 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?

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?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
Older participants remember more information than younger participants when material has emotional ... Older participants remember more information than younger participants when material has emotional ...
Selected Local Anesthetics Selected Local Anesthetics
Chemical structures of ester and amide local anesthetics. Chemical structures of ester and amide local anesthetics.
Local Anesthetic Agents Local Anesthetic Agents
Milk Label Containing Information about the Use of rBGH Milk Label Containing Information about the Use of rBGH
Video: ETC Protein Complexes & Chemiosmosis (Total ATP Production and ATP Synthase)

For a complete list of videos, visit our video library