Author Question: A bank has determined that the monthly balances of the checking accounts of its customers are ... (Read 135 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?

On average, the stomach produces 2 L of hydrochloric acid per day.

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.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

For a complete list of videos, visit our video library