Author Question: Assume that house prices in a neighborhood are normally distributed with a standard deviation of ... (Read 21 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
Assume that house prices in a neighborhood are normally distributed with a standard deviation of 20,000. A random sample of 16 observations is taken. What is the probability that the sample mean differs from the population mean by more than 5,000?
 
  What will be an ideal response?

Question 2

You were told that the amount of time lapsed between consecutive trades on the New York Stock Exchange followed a normal distribution with a mean of 15 seconds. You were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13. The probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7. What is the probability that the time lapsed between two consecutive trades will be longer than 17 seconds?
 
  What will be an ideal response?



jjorrostieta

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

0.3173 using Excel or 0.3174

Answer to Question 2

7 or 0.07



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

For a complete list of videos, visit our video library