Author Question: A bank has determined that the monthly balances of the checking accounts of its customers are ... (Read 129 times)

mckennatimberlake

  • Hero Member
  • *****
  • Posts: 559
A bank has determined that the monthly balances of the checking accounts of its customers are normally distributed with an average balance of 1,200 and a standard deviation of 250 What proportion of customers have monthly balances between 950 and 1,075?

Question 2

A bank has determined that the monthly balances of the checking accounts of its customers are normally distributed with an average balance of 1,200 and a standard deviation of 250 What proportion of customers have monthly balances more than 1,125?



randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

0.1498

Answer to Question 2

0.6179



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

For a complete list of videos, visit our video library